86768790 has 32 divisors (see below), whose sum is σ = 208707840. Its totient is φ = 23086944.

The previous prime is 86768777. The next prime is 86768827. The reversal of 86768790 is 9786768.

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 15 ways as a sum of consecutive naturals, for example, 11641 + ... + 17579.

It is an arithmetic number, because the mean of its divisors is an integer number (6522120).

Almost surely, 2^86768790 is an apocalyptic number.

86768790 is an abundant number, since it is smaller than the sum of its proper divisors (121939050).

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

86768790 is a wasteful number, since it uses less digits than its factorization.

86768790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 86768790 is about 9314.9766505343. The cubic root of 86768790 is about 442.7118842265.

The spelling of 86768790 in words is "eighty-six million, seven hundred sixty-eight thousand, seven hundred ninety".