2557830977 has 16 divisors (see below), whose sum is σ = 2901467520. Its totient is φ = 2235340800.

The previous prime is 2557830973. The next prime is 2557830991. The reversal of 2557830977 is 7790387552.

It is a cyclic number.

It is not a de Polignac number, because 2557830977 - 2² = 2557830973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2557830973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568577 + ... + 573057.

It is an arithmetic number, because the mean of its divisors is an integer number (181341720).

Almost surely, 2^2557830977 is an apocalyptic number.

It is an amenable number.

2557830977 is a deficient number, since it is larger than the sum of its proper divisors (343636543).

2557830977 is a wasteful number, since it uses less digits than its factorization.

2557830977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The square root of 2557830977 is about 50575.0034799801. The cubic root of 2557830977 is about 1367.5942963873.

The spelling of 2557830977 in words is "two billion, five hundred fifty-seven million, eight hundred thirty thousand, nine hundred seventy-seven".