86670608 has 20 divisors (see below), whose sum is σ = 168097500. Its totient is φ = 43290624.

The previous prime is 86670599. The next prime is 86670667. The reversal of 86670608 is 80607668.

It can be written as a sum of positive squares in 2 ways, for example, as 13191424 + 73479184 = 3632^2 + 8572^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 17816 + ... + 22152.

It is an arithmetic number, because the mean of its divisors is an integer number (8404875).

Almost surely, 2^86670608 is an apocalyptic number.

It is an amenable number.

86670608 is a deficient number, since it is larger than the sum of its proper divisors (81426892).

86670608 is a wasteful number, since it uses less digits than its factorization.

86670608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 86670608 is about 9309.7050436628. The cubic root of 86670608 is about 442.5448397431.

It can be divided in two parts, 86670 and 608, that added together give a palindrome (87278).

The spelling of 86670608 in words is "eighty-six million, six hundred seventy thousand, six hundred eight".