86420164 has 12 divisors (see below), whose sum is σ = 153714988. Its totient is φ = 42501600.

The previous prime is 86420161. The next prime is 86420167. The reversal of 86420164 is 46102468.

It is an interprime number because it is at equal distance from previous prime (86420161) and next prime (86420167).

It can be written as a sum of positive squares in 2 ways, for example, as 40857664 + 45562500 = 6392^2 + 6750^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86420161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176847 + ... + 177334.

Almost surely, 2^86420164 is an apocalyptic number.

It is an amenable number.

86420164 is a deficient number, since it is larger than the sum of its proper divisors (67294824).

86420164 is a wasteful number, since it uses less digits than its factorization.

86420164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354246 (or 354244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86420164 is about 9296.2446181240. The cubic root of 86420164 is about 442.1181682781.

The spelling of 86420164 in words is "eighty-six million, four hundred twenty thousand, one hundred sixty-four".