60581147857 has 2 divisors, whose sum is σ = 60581147858. Its totient is φ = 60581147856.

The previous prime is 60581147843. The next prime is 60581147881. The reversal of 60581147857 is 75874118506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60570624321 + 10523536 = 246111^2 + 3244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60581147857 is a prime.

It is not a weakly prime, because it can be changed into another prime (60581147897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30290573928 + 30290573929.

It is an arithmetic number, because the mean of its divisors is an integer number (30290573929).

Almost surely, 2^60581147857 is an apocalyptic number.

It is an amenable number.

60581147857 is a deficient number, since it is larger than the sum of its proper divisors (1).

60581147857 is an equidigital number, since it uses as much as digits as its factorization.

60581147857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 60581147857 in words is "sixty billion, five hundred eighty-one million, one hundred forty-seven thousand, eight hundred fifty-seven".