78332370568 has 64 divisors (see below), whose sum is σ = 159325049520. Its totient is φ = 35966361600.

The previous prime is 78332370563. The next prime is 78332370569. The reversal of 78332370568 is 86507323387.

It can be written as a sum of positive squares in 8 ways, for example, as 61176086244 + 17156284324 = 247338^2 + 130982^2 .

It is a super-2 number, since 2×78332370568² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78332370563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274628 + ... + 1334668.

Almost surely, 2^78332370568 is an apocalyptic number.

It is an amenable number.

78332370568 is an abundant number, since it is smaller than the sum of its proper divisors (80992678952).

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

78332370568 is a wasteful number, since it uses less digits than its factorization.

78332370568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60298 (or 60294 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

It can be divided in two parts, 78332 and 370568, that added together give a square (448900 = 670²).

The spelling of 78332370568 in words is "seventy-eight billion, three hundred thirty-two million, three hundred seventy thousand, five hundred sixty-eight".