86331770 has 32 divisors (see below), whose sum is σ = 179369856. Its totient is φ = 29304000.

The previous prime is 86331769. The next prime is 86331821. The reversal of 86331770 is 7713368.

It is a super-2 number, since 2×86331770² = 14906349022665800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 86331770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (5605308).

Almost surely, 2^86331770 is an apocalyptic number.

86331770 is an abundant number, since it is smaller than the sum of its proper divisors (93038086).

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

86331770 is a wasteful number, since it uses less digits than its factorization.

86331770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 86331770 is about 9291.4891163903. The cubic root of 86331770 is about 441.9673781402.

The spelling of 86331770 in words is "eighty-six million, three hundred thirty-one thousand, seven hundred seventy".