2799977225 has 12 divisors (see below), whose sum is σ = 3472634880. Its totient is φ = 2239554000.

The previous prime is 2799977209. The next prime is 2799977239. The reversal of 2799977225 is 5227799972.

It is not a de Polignac number, because 2799977225 - 2⁴ = 2799977209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222656 + ... + 234894.

It is an arithmetic number, because the mean of its divisors is an integer number (289386240).

Almost surely, 2^2799977225 is an apocalyptic number.

2799977225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2799977225 is a deficient number, since it is larger than the sum of its proper divisors (672657655).

2799977225 is a wasteful number, since it uses less digits than its factorization.

2799977225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21400 (or 21395 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 59.

The square root of 2799977225 is about 52914.8110173324. The cubic root of 2799977225 is about 1409.4559249210.

The spelling of 2799977225 in words is "two billion, seven hundred ninety-nine million, nine hundred seventy-seven thousand, two hundred twenty-five".