2172985882 has 16 divisors (see below), whose sum is σ = 3436610400. Its totient is φ = 1027635120.

The previous prime is 2172985879. The next prime is 2172985891. The reversal of 2172985882 is 2885892712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22669 + ... + 69712.

It is an arithmetic number, because the mean of its divisors is an integer number (214788150).

Almost surely, 2^2172985882 is an apocalyptic number.

2172985882 is a deficient number, since it is larger than the sum of its proper divisors (1263624518).

2172985882 is a wasteful number, since it uses less digits than its factorization.

2172985882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93021.

The product of its digits is 1290240, while the sum is 52.

The square root of 2172985882 is about 46615.2966524938. The cubic root of 2172985882 is about 1295.2461246636.

The spelling of 2172985882 in words is "two billion, one hundred seventy-two million, nine hundred eighty-five thousand, eight hundred eighty-two".