86864588 has 12 divisors (see below), whose sum is σ = 152206152. Its totient is φ = 43377120.

The previous prime is 86864587. The next prime is 86864597. The reversal of 86864588 is 88546868.

It is not an unprimeable number, because it can be changed into a prime (86864581) 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, 10145 + ... + 16632.

It is an arithmetic number, because the mean of its divisors is an integer number (12683846).

Almost surely, 2^86864588 is an apocalyptic number.

It is an amenable number.

86864588 is a deficient number, since it is larger than the sum of its proper divisors (65341564).

86864588 is a wasteful number, since it uses less digits than its factorization.

86864588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27592 (or 27590 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 53.

The square root of 86864588 is about 9320.1173812351. The cubic root of 86864588 is about 442.8747512150.

It can be divided in two parts, 868 and 64588, that added together give a palindrome (65456).

The spelling of 86864588 in words is "eighty-six million, eight hundred sixty-four thousand, five hundred eighty-eight".