860099868 has 36 divisors (see below), whose sum is σ = 2185423968. Its totient is φ = 285212160.

The previous prime is 860099843. The next prime is 860099879. The reversal of 860099868 is 868990068.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54948 + ... + 68843.

Almost surely, 2^860099868 is an apocalyptic number.

It is an amenable number.

860099868 is an abundant number, since it is smaller than the sum of its proper divisors (1325324100).

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

860099868 is a wasteful number, since it uses less digits than its factorization.

860099868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123994 (or 123989 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 860099868 is about 29327.4592830678. The cubic root of 860099868 is about 951.0053504726.

The spelling of 860099868 in words is "eight hundred sixty million, ninety-nine thousand, eight hundred sixty-eight".