2657588868 has 72 divisors (see below), whose sum is σ = 7484480640. Its totient is φ = 788189760.

The previous prime is 2657588867. The next prime is 2657588917. The reversal of 2657588868 is 8688857562.

2657588868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2657588867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52783 + ... + 90006.

It is an arithmetic number, because the mean of its divisors is an integer number (103951120).

Almost surely, 2^2657588868 is an apocalyptic number.

It is an amenable number.

2657588868 is an abundant number, since it is smaller than the sum of its proper divisors (4826891772).

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

2657588868 is a wasteful number, since it uses less digits than its factorization.

2657588868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142857 (or 142852 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 63.

The square root of 2657588868 is about 51551.8076113729. The cubic root of 2657588868 is about 1385.1472112592.

The spelling of 2657588868 in words is "two billion, six hundred fifty-seven million, five hundred eighty-eight thousand, eight hundred sixty-eight".