2792899980 has 96 divisors (see below), whose sum is σ = 9357432000. Its totient is φ = 687481344.

The previous prime is 2792899979. The next prime is 2792899997. The reversal of 2792899980 is 899982972.

2792899980 is a `hidden beast` number, since 279 + 289 + 9 + 9 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191905 + ... + 205944.

It is an arithmetic number, because the mean of its divisors is an integer number (97473250).

Almost surely, 2^2792899980 is an apocalyptic number.

2792899980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2792899980 is an abundant number, since it is smaller than the sum of its proper divisors (6564532020).

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

2792899980 is a wasteful number, since it uses less digits than its factorization.

2792899980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397880 (or 397872 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 2792899980 is about 52847.8947546636. The cubic root of 2792899980 is about 1408.2674056024.

The spelling of 2792899980 in words is "two billion, seven hundred ninety-two million, eight hundred ninety-nine thousand, nine hundred eighty".