2857988925 has 144 divisors (see below), whose sum is σ = 5793914880. Its totient is φ = 1334736000.

The previous prime is 2857988893. The next prime is 2857988941. The reversal of 2857988925 is 5298897582.

It is not a de Polignac number, because 2857988925 - 2⁵ = 2857988893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9189520 + ... + 9189830.

It is an arithmetic number, because the mean of its divisors is an integer number (40235520).

Almost surely, 2^2857988925 is an apocalyptic number.

2857988925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2857988925 is an abundant number, since it is smaller than the sum of its proper divisors (2935925955).

2857988925 is a wasteful number, since it uses less digits than its factorization.

2857988925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 456 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 63.

The square root of 2857988925 is about 53460.1620367915. The cubic root of 2857988925 is about 1419.1234630435.

The spelling of 2857988925 in words is "two billion, eight hundred fifty-seven million, nine hundred eighty-eight thousand, nine hundred twenty-five".