868747590 has 48 divisors (see below), whose sum is σ = 2264792400. Its totient is φ = 231045696.

The previous prime is 868747573. The next prime is 868747609. The reversal of 868747590 is 95747868.

868747590 is a `hidden beast` number, since 8 + 6 + 8 + 7 + 47 + 590 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21376 + ... + 46844.

It is an arithmetic number, because the mean of its divisors is an integer number (47183175).

Almost surely, 2^868747590 is an apocalyptic number.

868747590 is an abundant number, since it is smaller than the sum of its proper divisors (1396044810).

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

868747590 is a wasteful number, since it uses less digits than its factorization.

868747590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25861 (or 25858 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 868747590 is about 29474.5244236442. The cubic root of 868747590 is about 954.1819662652.

The spelling of 868747590 in words is "eight hundred sixty-eight million, seven hundred forty-seven thousand, five hundred ninety".