57000721627 has 2 divisors, whose sum is σ = 57000721628. Its totient is φ = 57000721626.

The previous prime is 57000721573. The next prime is 57000721633. The reversal of 57000721627 is 72612700075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57000721627 - 2⁷ = 57000721499 is a prime.

It is not a weakly prime, because it can be changed into another prime (57000721027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500360813 + 28500360814.

It is an arithmetic number, because the mean of its divisors is an integer number (28500360814).

Almost surely, 2^57000721627 is an apocalyptic number.

57000721627 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000721627 is an equidigital number, since it uses as much as digits as its factorization.

57000721627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 57000721627 in words is "fifty-seven billion, seven hundred twenty-one thousand, six hundred twenty-seven".