97918713 has 10 divisors (see below), whose sum is σ = 146273754. Its totient is φ = 65279088.

The previous prime is 97918693. The next prime is 97918721. The reversal of 97918713 is 31781979.

It can be written as a sum of positive squares in only one way, i.e., 76685049 + 21233664 = 8757^2 + 4608^2 .

It is not a de Polignac number, because 97918713 - 2¹⁰ = 97917689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97918763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 604356 + ... + 604517.

Almost surely, 2^97918713 is an apocalyptic number.

It is an amenable number.

97918713 is a deficient number, since it is larger than the sum of its proper divisors (48355041).

97918713 is a wasteful number, since it uses less digits than its factorization.

97918713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208885 (or 1208876 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 97918713 is about 9895.3884714042. The cubic root of 97918713 is about 460.9161216545.

The spelling of 97918713 in words is "ninety-seven million, nine hundred eighteen thousand, seven hundred thirteen".