97257331971 has 6 divisors (see below), whose sum is σ = 140482812860. Its totient is φ = 64838221308.

The previous prime is 97257331961. The next prime is 97257332041. The reversal of 97257331971 is 17913375279.

97257331971 is a `hidden beast` number, since 9 + 7 + 257 + 3 + 319 + 71 = 666.

It is not a de Polignac number, because 97257331971 - 2⁵ = 97257331939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97257331961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5403185101 + ... + 5403185118.

Almost surely, 2^97257331971 is an apocalyptic number.

97257331971 is a deficient number, since it is larger than the sum of its proper divisors (43225480889).

97257331971 is a wasteful number, since it uses less digits than its factorization.

97257331971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806370225 (or 10806370222 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 54.

The spelling of 97257331971 in words is "ninety-seven billion, two hundred fifty-seven million, three hundred thirty-one thousand, nine hundred seventy-one".