59478068981977 has 2 divisors, whose sum is σ = 59478068981978. Its totient is φ = 59478068981976.

The previous prime is 59478068981971. The next prime is 59478068982049. The reversal of 59478068981977 is 77918986087495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45605453618761 + 13872615363216 = 6753181^2 + 3724596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59478068981977 is a prime.

It is not a weakly prime, because it can be changed into another prime (59478068981971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29739034490988 + 29739034490989.

It is an arithmetic number, because the mean of its divisors is an integer number (29739034490989).

Almost surely, 2^{59478068981977} is an apocalyptic number.

It is an amenable number.

59478068981977 is a deficient number, since it is larger than the sum of its proper divisors (1).

59478068981977 is an equidigital number, since it uses as much as digits as its factorization.

59478068981977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15362887680, while the sum is 88.

The spelling of 59478068981977 in words is "fifty-nine trillion, four hundred seventy-eight billion, sixty-eight million, nine hundred eighty-one thousand, nine hundred seventy-seven".