97918653 has 16 divisors (see below), whose sum is σ = 149973120. Its totient is φ = 55667136.

The previous prime is 97918627. The next prime is 97918679. The reversal of 97918653 is 35681979.

It is an interprime number because it is at equal distance from previous prime (97918627) and next prime (97918679).

It is not a de Polignac number, because 97918653 - 2⁹ = 97918141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97918693) 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 15 ways as a sum of consecutive naturals, for example, 7698 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (9373320).

Almost surely, 2^97918653 is an apocalyptic number.

It is an amenable number.

97918653 is a deficient number, since it is larger than the sum of its proper divisors (52054467).

97918653 is a wasteful number, since it uses less digits than its factorization.

97918653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23876.

The product of its digits is 408240, while the sum is 48.

The square root of 97918653 is about 9895.3854396885. The cubic root of 97918653 is about 460.9160275118.

The spelling of 97918653 in words is "ninety-seven million, nine hundred eighteen thousand, six hundred fifty-three".