863200872 has 48 divisors (see below), whose sum is σ = 2387586240. Its totient is φ = 281610528.

The previous prime is 863200817. The next prime is 863200901. The reversal of 863200872 is 278002368.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 124158 + ... + 130925.

It is an arithmetic number, because the mean of its divisors is an integer number (49741380).

Almost surely, 2^863200872 is an apocalyptic number.

It is an amenable number.

863200872 is an abundant number, since it is smaller than the sum of its proper divisors (1524385368).

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

863200872 is a wasteful number, since it uses less digits than its factorization.

863200872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255142 (or 255135 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 863200872 is about 29380.2803254155. The cubic root of 863200872 is about 952.1468978648.

The spelling of 863200872 in words is "eight hundred sixty-three million, two hundred thousand, eight hundred seventy-two".