2557827808 has 24 divisors (see below), whose sum is σ = 5037007248. Its totient is φ = 1278587904.

The previous prime is 2557827761. The next prime is 2557827827. The reversal of 2557827808 is 8087287552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162160 + ... + 177232.

It is an arithmetic number, because the mean of its divisors is an integer number (209875302).

Almost surely, 2^2557827808 is an apocalyptic number.

It is an amenable number.

2557827808 is a deficient number, since it is larger than the sum of its proper divisors (2479179440).

2557827808 is a wasteful number, since it uses less digits than its factorization.

2557827808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 52.

The square root of 2557827808 is about 50574.9721502642. The cubic root of 2557827808 is about 1367.5937315979.

The spelling of 2557827808 in words is "two billion, five hundred fifty-seven million, eight hundred twenty-seven thousand, eight hundred eight".