868631792 has 20 divisors (see below), whose sum is σ = 1923399216. Its totient is φ = 372270720.

The previous prime is 868631783. The next prime is 868631831. The reversal of 868631792 is 297136868.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 868631792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3877709 + ... + 3877932.

Almost surely, 2^868631792 is an apocalyptic number.

It is an amenable number.

868631792 is an abundant number, since it is smaller than the sum of its proper divisors (1054767424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868631792 is a wasteful number, since it uses less digits than its factorization.

868631792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755656 (or 7755650 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 868631792 is about 29472.5599838222. The cubic root of 868631792 is about 954.1395691124.

The spelling of 868631792 in words is "eight hundred sixty-eight million, six hundred thirty-one thousand, seven hundred ninety-two".