86765992 has 16 divisors (see below), whose sum is σ = 163144800. Its totient is φ = 43260720.

The previous prime is 86765971. The next prime is 86766007. The reversal of 86765992 is 29956768.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12234 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (10196550).

Almost surely, 2^86765992 is an apocalyptic number.

It is an amenable number.

86765992 is a deficient number, since it is larger than the sum of its proper divisors (76378808).

86765992 is a wasteful number, since it uses less digits than its factorization.

86765992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30576 (or 30572 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 86765992 is about 9314.8264610781. The cubic root of 86765992 is about 442.7071255217.

The spelling of 86765992 in words is "eighty-six million, seven hundred sixty-five thousand, nine hundred ninety-two".