86307992 has 16 divisors (see below), whose sum is σ = 161935200. Its totient is φ = 43125280.

The previous prime is 86307989. The next prime is 86308003. The reversal of 86307992 is 29970368.

It is a congruent 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, 14609 + ... + 19647.

It is an arithmetic number, because the mean of its divisors is an integer number (10120950).

Almost surely, 2^86307992 is an apocalyptic number.

It is an amenable number.

86307992 is a deficient number, since it is larger than the sum of its proper divisors (75627208).

86307992 is a wasteful number, since it uses less digits than its factorization.

86307992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186 (or 7182 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 86307992 is about 9290.2094701896. The cubic root of 86307992 is about 441.9267980027.

The spelling of 86307992 in words is "eighty-six million, three hundred seven thousand, nine hundred ninety-two".