57617320063 has 2 divisors, whose sum is σ = 57617320064. Its totient is φ = 57617320062.

The previous prime is 57617320043. The next prime is 57617320081. The reversal of 57617320063 is 36002371675.

57617320063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57617320063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57617319998 and 57617320025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57617320043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28808660031 + 28808660032.

It is an arithmetic number, because the mean of its divisors is an integer number (28808660032).

Almost surely, 2^57617320063 is an apocalyptic number.

57617320063 is a deficient number, since it is larger than the sum of its proper divisors (1).

57617320063 is an equidigital number, since it uses as much as digits as its factorization.

57617320063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 57617320063 in words is "fifty-seven billion, six hundred seventeen million, three hundred twenty thousand, sixty-three".