97932312571 has 2 divisors, whose sum is σ = 97932312572. Its totient is φ = 97932312570.

The previous prime is 97932312551. The next prime is 97932312581. The reversal of 97932312571 is 17521323979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97932312571 - 2²³ = 97923923963 is a prime.

It is not a weakly prime, because it can be changed into another prime (97932312551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48966156285 + 48966156286.

It is an arithmetic number, because the mean of its divisors is an integer number (48966156286).

Almost surely, 2^97932312571 is an apocalyptic number.

97932312571 is a deficient number, since it is larger than the sum of its proper divisors (1).

97932312571 is an equidigital number, since it uses as much as digits as its factorization.

97932312571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 49.

The spelling of 97932312571 in words is "ninety-seven billion, nine hundred thirty-two million, three hundred twelve thousand, five hundred seventy-one".