86864635 has 32 divisors (see below), whose sum is σ = 126443520. Its totient is φ = 56419200.

The previous prime is 86864627. The next prime is 86864653. The reversal of 86864635 is 53646868.

It is not a de Polignac number, because 86864635 - 2³ = 86864627 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20206 + ... + 24124.

It is an arithmetic number, because the mean of its divisors is an integer number (3951360).

Almost surely, 2^86864635 is an apocalyptic number.

86864635 is a deficient number, since it is larger than the sum of its proper divisors (39578885).

86864635 is a wasteful number, since it uses less digits than its factorization.

86864635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its digits is 829440, while the sum is 46.

The square root of 86864635 is about 9320.1199026622. The cubic root of 86864635 is about 442.8748310907.

The spelling of 86864635 in words is "eighty-six million, eight hundred sixty-four thousand, six hundred thirty-five".