57161677679 has 2 divisors, whose sum is σ = 57161677680. Its totient is φ = 57161677678.

The previous prime is 57161677571. The next prime is 57161677681. The reversal of 57161677679 is 97677616175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57161677679 - 2²⁰ = 57160629103 is a prime.

Together with 57161677681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57161670679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28580838839 + 28580838840.

It is an arithmetic number, because the mean of its divisors is an integer number (28580838840).

Almost surely, 2^57161677679 is an apocalyptic number.

57161677679 is a deficient number, since it is larger than the sum of its proper divisors (1).

57161677679 is an equidigital number, since it uses as much as digits as its factorization.

57161677679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23337720, while the sum is 62.

The spelling of 57161677679 in words is "fifty-seven billion, one hundred sixty-one million, six hundred seventy-seven thousand, six hundred seventy-nine".