2199977672 has 32 divisors (see below), whose sum is σ = 4339795320. Its totient is φ = 1044149760.

The previous prime is 2199977609. The next prime is 2199977683. The reversal of 2199977672 is 2767799912.

It can be written as a sum of positive squares in 4 ways, for example, as 1642356676 + 557620996 = 40526^2 + 23614^2 .

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, 78503 + ... + 102774.

Almost surely, 2^2199977672 is an apocalyptic number.

It is an amenable number.

2199977672 is a deficient number, since it is larger than the sum of its proper divisors (2139817648).

2199977672 is a wasteful number, since it uses less digits than its factorization.

2199977672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181361 (or 181357 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 59.

The square root of 2199977672 is about 46903.9195803506. The cubic root of 2199977672 is about 1300.5870468962.

The spelling of 2199977672 in words is "two billion, one hundred ninety-nine million, nine hundred seventy-seven thousand, six hundred seventy-two".