986320872 has 48 divisors (see below), whose sum is σ = 2703486240. Its totient is φ = 324810528.

The previous prime is 986320859. The next prime is 986320883. The reversal of 986320872 is 278023689.

986320872 is a `hidden beast` number, since 9 + 8 + 632 + 0 + 8 + 7 + 2 = 666.

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, 76548 + ... + 88499.

It is an arithmetic number, because the mean of its divisors is an integer number (56322630).

Almost surely, 2^986320872 is an apocalyptic number.

It is an amenable number.

986320872 is an abundant number, since it is smaller than the sum of its proper divisors (1717165368).

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

986320872 is a wasteful number, since it uses less digits than its factorization.

986320872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165142 (or 165135 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 986320872 is about 31405.7458437146. The cubic root of 986320872 is about 995.4193402608.

The spelling of 986320872 in words is "nine hundred eighty-six million, three hundred twenty thousand, eight hundred seventy-two".