57940904857 has 32 divisors (see below), whose sum is σ = 69194400768. Its totient is φ = 47900160000.

The previous prime is 57940904851. The next prime is 57940904863. The reversal of 57940904857 is 75840904975.

It is an interprime number because it is at equal distance from previous prime (57940904851) and next prime (57940904863).

It is not a de Polignac number, because 57940904857 - 2¹¹ = 57940902809 is a prime.

It is a super-3 number, since 3×57940904857³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57940904851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3824257 + ... + 3839377.

It is an arithmetic number, because the mean of its divisors is an integer number (2162325024).

Almost surely, 2^57940904857 is an apocalyptic number.

It is an amenable number.

57940904857 is a deficient number, since it is larger than the sum of its proper divisors (11253495911).

57940904857 is a wasteful number, since it uses less digits than its factorization.

57940904857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 57940904857 in words is "fifty-seven billion, nine hundred forty million, nine hundred four thousand, eight hundred fifty-seven".