868215004 has 6 divisors (see below), whose sum is σ = 1519376264. Its totient is φ = 434107500.

The previous prime is 868214999. The next prime is 868215037. The reversal of 868215004 is 400512868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108526872 + ... + 108526879.

Almost surely, 2^868215004 is an apocalyptic number.

It is an amenable number.

868215004 is a deficient number, since it is larger than the sum of its proper divisors (651161260).

868215004 is a wasteful number, since it uses less digits than its factorization.

868215004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217053755 (or 217053753 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 868215004 is about 29465.4883550231. The cubic root of 868215004 is about 953.9869392150.

The spelling of 868215004 in words is "eight hundred sixty-eight million, two hundred fifteen thousand, four".