78585896568 has 16 divisors (see below), whose sum is σ = 196464741480. Its totient is φ = 26195298848.

The previous prime is 78585896567. The next prime is 78585896593. The reversal of 78585896568 is 86569858587.

It is a self number, because there is not a number n which added to its sum of digits gives 78585896568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78585896567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637206155 + ... + 1637206202.

Almost surely, 2^78585896568 is an apocalyptic number.

It is an amenable number.

78585896568 is an abundant number, since it is smaller than the sum of its proper divisors (117878844912).

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

78585896568 is a wasteful number, since it uses less digits than its factorization.

78585896568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274412366 (or 3274412362 counting only the distinct ones).

The product of its digits is 1161216000, while the sum is 75.

The spelling of 78585896568 in words is "seventy-eight billion, five hundred eighty-five million, eight hundred ninety-six thousand, five hundred sixty-eight".