97952913791 has 2 divisors, whose sum is σ = 97952913792. Its totient is φ = 97952913790.

The previous prime is 97952913787. The next prime is 97952913841. The reversal of 97952913791 is 19731925979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97952913791 - 2² = 97952913787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97952913701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48976456895 + 48976456896.

It is an arithmetic number, because the mean of its divisors is an integer number (48976456896).

Almost surely, 2^97952913791 is an apocalyptic number.

97952913791 is a deficient number, since it is larger than the sum of its proper divisors (1).

97952913791 is an equidigital number, since it uses as much as digits as its factorization.

97952913791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9644670, while the sum is 62.

The spelling of 97952913791 in words is "ninety-seven billion, nine hundred fifty-two million, nine hundred thirteen thousand, seven hundred ninety-one".