868331560 has 16 divisors (see below), whose sum is σ = 1953746100. Its totient is φ = 347332608.

The previous prime is 868331557. The next prime is 868331561. The reversal of 868331560 is 65133868.

It can be written as a sum of positive squares in 2 ways, for example, as 854626756 + 13704804 = 29234^2 + 3702^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 21708289 = 868331560 / (8 + 6 + 8 + 3 + 3 + 1 + 5 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (868331561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10854105 + ... + 10854184.

Almost surely, 2^868331560 is an apocalyptic number.

It is an amenable number.

868331560 is an abundant number, since it is smaller than the sum of its proper divisors (1085414540).

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

868331560 is a wasteful number, since it uses less digits than its factorization.

868331560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708300 (or 21708296 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 868331560 is about 29467.4661279181. The cubic root of 868331560 is about 954.0296275375.

The spelling of 868331560 in words is "eight hundred sixty-eight million, three hundred thirty-one thousand, five hundred sixty".