57719963971 has 2 divisors, whose sum is σ = 57719963972. Its totient is φ = 57719963970.

The previous prime is 57719963957. The next prime is 57719964011. The reversal of 57719963971 is 17936991775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57719963971 - 2⁹ = 57719963459 is a prime.

It is not a weakly prime, because it can be changed into another prime (57719963771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28859981985 + 28859981986.

It is an arithmetic number, because the mean of its divisors is an integer number (28859981986).

Almost surely, 2^57719963971 is an apocalyptic number.

57719963971 is a deficient number, since it is larger than the sum of its proper divisors (1).

57719963971 is an equidigital number, since it uses as much as digits as its factorization.

57719963971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22504230, while the sum is 64.

The spelling of 57719963971 in words is "fifty-seven billion, seven hundred nineteen million, nine hundred sixty-three thousand, nine hundred seventy-one".