57681966071 has 2 divisors, whose sum is σ = 57681966072. Its totient is φ = 57681966070.

The previous prime is 57681966007. The next prime is 57681966119. The reversal of 57681966071 is 17066918675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57681966071 - 2⁶ = 57681966007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57681965998 and 57681966016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57681966871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28840983035 + 28840983036.

It is an arithmetic number, because the mean of its divisors is an integer number (28840983036).

Almost surely, 2^57681966071 is an apocalyptic number.

57681966071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57681966071 is an equidigital number, since it uses as much as digits as its factorization.

57681966071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 57681966071 in words is "fifty-seven billion, six hundred eighty-one million, nine hundred sixty-six thousand, seventy-one".