2257017879 has 32 divisors (see below), whose sum is σ = 3153945600. Its totient is φ = 1434472832.

The previous prime is 2257017857. The next prime is 2257017907. The reversal of 2257017879 is 9787107522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2257017879 - 2¹² = 2257013783 is a prime.

It is a super-2 number, since 2×2257017879² = 10188259412251317282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257017079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112464 + ... + 1114490.

It is an arithmetic number, because the mean of its divisors is an integer number (98560800).

Almost surely, 2^2257017879 is an apocalyptic number.

2257017879 is a deficient number, since it is larger than the sum of its proper divisors (896927721).

2257017879 is a wasteful number, since it uses less digits than its factorization.

2257017879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279.

The product of its (nonzero) digits is 493920, while the sum is 48.

The square root of 2257017879 is about 47508.0822492342. The cubic root of 2257017879 is about 1311.7316568905.

The spelling of 2257017879 in words is "two billion, two hundred fifty-seven million, seventeen thousand, eight hundred seventy-nine".