5478668345 has 8 divisors (see below), whose sum is σ = 6581306376. Its totient is φ = 4378331776.

The previous prime is 5478668281. The next prime is 5478668401. The reversal of 5478668345 is 5438668745.

It can be written as a sum of positive squares in 4 ways, for example, as 969948736 + 4508719609 = 31144^2 + 67147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5478668345 - 2⁶ = 5478668281 is a prime.

It is a super-3 number, since 3×5478668345³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570122 + ... + 579651.

It is an arithmetic number, because the mean of its divisors is an integer number (822663297).

Almost surely, 2^5478668345 is an apocalyptic number.

It is an amenable number.

5478668345 is a deficient number, since it is larger than the sum of its proper divisors (1102638031).

5478668345 is a wasteful number, since it uses less digits than its factorization.

5478668345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150731.

The product of its digits is 19353600, while the sum is 56.

The square root of 5478668345 is about 74018.0271623069. The cubic root of 5478668345 is about 1762.8891451318.

The spelling of 5478668345 in words is "five billion, four hundred seventy-eight million, six hundred sixty-eight thousand, three hundred forty-five".