868239004 has 24 divisors (see below), whose sum is σ = 1601480160. Its totient is φ = 411238464.

The previous prime is 868238999. The next prime is 868239017. The reversal of 868239004 is 400932868.

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, 64464 + ... + 76759.

It is an arithmetic number, because the mean of its divisors is an integer number (66728340).

Almost surely, 2^868239004 is an apocalyptic number.

It is an amenable number.

868239004 is a deficient number, since it is larger than the sum of its proper divisors (733241156).

868239004 is a wasteful number, since it uses less digits than its factorization.

868239004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141309 (or 141307 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 868239004 is about 29465.8956083130. The cubic root of 868239004 is about 953.9957294630.

The spelling of 868239004 in words is "eight hundred sixty-eight million, two hundred thirty-nine thousand, four".