97657694 has 12 divisors (see below), whose sum is σ = 149311176. Its totient is φ = 47904792.

The previous prime is 97657669. The next prime is 97657697. The reversal of 97657694 is 49675679.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97657697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3074 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (12442598).

Almost surely, 2^97657694 is an apocalyptic number.

97657694 is a deficient number, since it is larger than the sum of its proper divisors (51653482).

97657694 is a wasteful number, since it uses less digits than its factorization.

97657694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17491 (or 17438 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 53.

The square root of 97657694 is about 9882.1907490192. The cubic root of 97657694 is about 460.5062070752.

The spelling of 97657694 in words is "ninety-seven million, six hundred fifty-seven thousand, six hundred ninety-four".