97117388 has 24 divisors (see below), whose sum is σ = 171811584. Its totient is φ = 48032000.

The previous prime is 97117381. The next prime is 97117399. The reversal of 97117388 is 88371179.

It is not an unprimeable number, because it can be changed into a prime (97117381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241988 + ... + 242388.

It is an arithmetic number, because the mean of its divisors is an integer number (7158816).

Almost surely, 2^97117388 is an apocalyptic number.

It is an amenable number.

97117388 is a deficient number, since it is larger than the sum of its proper divisors (74694196).

97117388 is a wasteful number, since it uses less digits than its factorization.

97117388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 911 counting only the distinct ones).

The product of its digits is 84672, while the sum is 44.

The square root of 97117388 is about 9854.8154726509. The cubic root of 97117388 is about 459.6553625259.

The spelling of 97117388 in words is "ninety-seven million, one hundred seventeen thousand, three hundred eighty-eight".