97711622731 has 8 divisors (see below), whose sum is σ = 98078040144. Its totient is φ = 97345429920.

The previous prime is 97711622713. The next prime is 97711622773. The reversal of 97711622731 is 13722611779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97711622731 - 2¹⁷ = 97711491659 is a prime.

It is a super-2 number, since 2×97711622731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97711622711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842400 + ... + 951346.

It is an arithmetic number, because the mean of its divisors is an integer number (12259755018).

Almost surely, 2^97711622731 is an apocalyptic number.

97711622731 is a deficient number, since it is larger than the sum of its proper divisors (366417413).

97711622731 is a wasteful number, since it uses less digits than its factorization.

97711622731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112301.

The product of its digits is 222264, while the sum is 46.

The spelling of 97711622731 in words is "ninety-seven billion, seven hundred eleven million, six hundred twenty-two thousand, seven hundred thirty-one".