5478968064 has 72 divisors (see below), whose sum is σ = 14669706240. Its totient is φ = 1815344128.

The previous prime is 5478968017. The next prime is 5478968093. The reversal of 5478968064 is 4608698745.

It is a junction number, because it is equal to n+sod(n) for n = 5478967995 and 5478968013.

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, 106897 + ... + 149615.

It is an arithmetic number, because the mean of its divisors is an integer number (203745920).

Almost surely, 2^5478968064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5478968064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7334853120).

5478968064 is an abundant number, since it is smaller than the sum of its proper divisors (9190738176).

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

5478968064 is a wasteful number, since it uses less digits than its factorization.

5478968064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42905 (or 42891 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The square root of 5478968064 is about 74020.0517697738. The cubic root of 5478968064 is about 1762.9212917353.

The spelling of 5478968064 in words is "five billion, four hundred seventy-eight million, nine hundred sixty-eight thousand, sixty-four".