86778600792 has 64 divisors (see below), whose sum is σ = 247377926880. Its totient is φ = 25130452992.

The previous prime is 86778600721. The next prime is 86778600803. The reversal of 86778600792 is 29700687768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8175183 + ... + 8185790.

Almost surely, 2^86778600792 is an apocalyptic number.

It is an amenable number.

86778600792 is an abundant number, since it is smaller than the sum of its proper divisors (160599326088).

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

86778600792 is a wasteful number, since it uses less digits than its factorization.

86778600792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361012 (or 16361008 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 86778600792 in words is "eighty-six billion, seven hundred seventy-eight million, six hundred thousand, seven hundred ninety-two".