57047366667679 has 2 divisors, whose sum is σ = 57047366667680. Its totient is φ = 57047366667678.

The previous prime is 57047366667667. The next prime is 57047366667743. The reversal of 57047366667679 is 97676666374075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57047366667679 - 2²⁷ = 57047232449951 is a prime.

It is a super-2 number, since 2×57047366667679² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57047366667599 and 57047366667608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57047366767679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28523683333839 + 28523683333840.

It is an arithmetic number, because the mean of its divisors is an integer number (28523683333840).

Almost surely, 2^{57047366667679} is an apocalyptic number.

57047366667679 is a deficient number, since it is larger than the sum of its proper divisors (1).

57047366667679 is an equidigital number, since it uses as much as digits as its factorization.

57047366667679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10081895040, while the sum is 79.

The spelling of 57047366667679 in words is "fifty-seven trillion, forty-seven billion, three hundred sixty-six million, six hundred sixty-seven thousand, six hundred seventy-nine".