97137188879039 has 2 divisors, whose sum is σ = 97137188879040. Its totient is φ = 97137188879038.

The previous prime is 97137188879021. The next prime is 97137188879053. The reversal of 97137188879039 is 93097888173179.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97137188879039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97137188879069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48568594439519 + 48568594439520.

It is an arithmetic number, because the mean of its divisors is an integer number (48568594439520).

Almost surely, 2^{97137188879039} is an apocalyptic number.

97137188879039 is a deficient number, since it is larger than the sum of its proper divisors (1).

97137188879039 is an equidigital number, since it uses as much as digits as its factorization.

97137188879039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152216576, while the sum is 80.

The spelling of 97137188879039 in words is "ninety-seven trillion, one hundred thirty-seven billion, one hundred eighty-eight million, eight hundred seventy-nine thousand, thirty-nine".