86847690 has 32 divisors (see below), whose sum is σ = 209773440. Its totient is φ = 23010624.

The previous prime is 86847671. The next prime is 86847707. The reversal of 86847690 is 9674868.

It is a super-2 number, since 2×86847690² = 15085042516672200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 4510 + ... + 13929.

It is an arithmetic number, because the mean of its divisors is an integer number (6555420).

Almost surely, 2^86847690 is an apocalyptic number.

86847690 is an abundant number, since it is smaller than the sum of its proper divisors (122925750).

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

86847690 is a wasteful number, since it uses less digits than its factorization.

86847690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 86847690 is about 9319.2108034962. The cubic root of 86847690 is about 442.8460314838.

The spelling of 86847690 in words is "eighty-six million, eight hundred forty-seven thousand, six hundred ninety".