78500696532 has 24 divisors (see below), whose sum is σ = 183174185376. Its totient is φ = 26166056928.

The previous prime is 78500696513. The next prime is 78500696543. The reversal of 78500696532 is 23569600587.

It is a happy number.

It is a congruent 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, 368598 + ... + 541170.

It is an arithmetic number, because the mean of its divisors is an integer number (7632257724).

Almost surely, 2^78500696532 is an apocalyptic number.

It is an amenable number.

78500696532 is an abundant number, since it is smaller than the sum of its proper divisors (104673488844).

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

78500696532 is a wasteful number, since it uses less digits than its factorization.

78500696532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210487 (or 210485 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 78500696532 in words is "seventy-eight billion, five hundred million, six hundred ninety-six thousand, five hundred thirty-two".