864662534 has 16 divisors (see below), whose sum is σ = 1379194128. Its totient is φ = 405149952.

The previous prime is 864662527. The next prime is 864662549. The reversal of 864662534 is 435266468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46652 + ... + 62495.

It is an arithmetic number, because the mean of its divisors is an integer number (86199633).

Almost surely, 2^864662534 is an apocalyptic number.

864662534 is a deficient number, since it is larger than the sum of its proper divisors (514531594).

864662534 is a wasteful number, since it uses less digits than its factorization.

864662534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109399.

The product of its digits is 829440, while the sum is 44.

The square root of 864662534 is about 29405.1446859219. The cubic root of 864662534 is about 952.6840197131.

The spelling of 864662534 in words is "eight hundred sixty-four million, six hundred sixty-two thousand, five hundred thirty-four".