5478664324 has 81 divisors (see below), whose sum is σ = 11885863269. Its totient is φ = 2202775680.

The previous prime is 5478664297. The next prime is 5478664351. The reversal of 5478664324 is 4234668745.

The square root of 5478664324 is 74018.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (5478664297) and next prime (5478664351).

It can be written as a sum of positive squares in only one way, i.e., 4265396100 + 1213268224 = 65310^2 + 34832^2 .

It is a super-3 number, since 3×5478664324³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17616129 + ... + 17616439.

Almost surely, 2^5478664324 is an apocalyptic number.

5478664324 is the 74018-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5478664324

5478664324 is an abundant number, since it is smaller than the sum of its proper divisors (6407198945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5478664324 is a wasteful number, since it uses less digits than its factorization.

5478664324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 337 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 49.

The cubic root of 5478664324 is about 1762.8887138483. Note that the first 3 decimals are identical.

Multiplying 5478664324 by its sum of digits (49), we get a square (268454551876 = 518126²).

5478664324 divided by its sum of digits (49) gives a square (111809476 = 10574²).

The spelling of 5478664324 in words is "five billion, four hundred seventy-eight million, six hundred sixty-four thousand, three hundred twenty-four".