86311686 has 32 divisors (see below), whose sum is σ = 190729728. Its totient is φ = 25900160.

The previous prime is 86311649. The next prime is 86311691. The reversal of 86311686 is 68611368.

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, 16050 + ... + 20741.

It is an arithmetic number, because the mean of its divisors is an integer number (5960304).

Almost surely, 2^86311686 is an apocalyptic number.

86311686 is an abundant number, since it is smaller than the sum of its proper divisors (104418042).

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

86311686 is a wasteful number, since it uses less digits than its factorization.

86311686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36836.

The product of its digits is 41472, while the sum is 39.

The square root of 86311686 is about 9290.4082795106. The cubic root of 86311686 is about 441.9331027657.

The spelling of 86311686 in words is "eighty-six million, three hundred eleven thousand, six hundred eighty-six".