97699772 has 12 divisors (see below), whose sum is σ = 171223416. Its totient is φ = 48778800.

The previous prime is 97699759. The next prime is 97699781. The reversal of 97699772 is 27799679.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14618 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (14268618).

Almost surely, 2^97699772 is an apocalyptic number.

It is an amenable number.

97699772 is a deficient number, since it is larger than the sum of its proper divisors (73523644).

97699772 is a wasteful number, since it uses less digits than its factorization.

97699772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35548 (or 35546 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 56.

The square root of 97699772 is about 9884.3195011088. The cubic root of 97699772 is about 460.5723373753.

The spelling of 97699772 in words is "ninety-seven million, six hundred ninety-nine thousand, seven hundred seventy-two".