86311660 has 48 divisors (see below), whose sum is σ = 184740192. Its totient is φ = 33868800.

The previous prime is 86311649. The next prime is 86311691. The reversal of 86311660 is 6611368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408955 + ... + 409165.

It is an arithmetic number, because the mean of its divisors is an integer number (3848754).

Almost surely, 2^86311660 is an apocalyptic number.

It is an amenable number.

86311660 is an abundant number, since it is smaller than the sum of its proper divisors (98428532).

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

86311660 is a wasteful number, since it uses less digits than its factorization.

86311660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86311660 is about 9290.4068802179. The cubic root of 86311660 is about 441.9330583906.

The spelling of 86311660 in words is "eighty-six million, three hundred eleven thousand, six hundred sixty".