57818879971 has 2 divisors, whose sum is σ = 57818879972. Its totient is φ = 57818879970.

The previous prime is 57818879953. The next prime is 57818880011. The reversal of 57818879971 is 17997881875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57818879971 - 2³³ = 49228945379 is a prime.

It is a super-2 number, since 2×57818879971² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57818879971.

It is not a weakly prime, because it can be changed into another prime (57818879071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28909439985 + 28909439986.

It is an arithmetic number, because the mean of its divisors is an integer number (28909439986).

Almost surely, 2^57818879971 is an apocalyptic number.

57818879971 is a deficient number, since it is larger than the sum of its proper divisors (1).

57818879971 is an equidigital number, since it uses as much as digits as its factorization.

57818879971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71124480, while the sum is 70.

The spelling of 57818879971 in words is "fifty-seven billion, eight hundred eighteen million, eight hundred seventy-nine thousand, nine hundred seventy-one".