97696915 has 4 divisors (see below), whose sum is σ = 117236304. Its totient is φ = 78157528.

The previous prime is 97696913. The next prime is 97696927. The reversal of 97696915 is 51969679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97696915 - 2¹ = 97696913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97696913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9769687 + ... + 9769696.

It is an arithmetic number, because the mean of its divisors is an integer number (29309076).

Almost surely, 2^97696915 is an apocalyptic number.

97696915 is a deficient number, since it is larger than the sum of its proper divisors (19539389).

97696915 is a wasteful number, since it uses less digits than its factorization.

97696915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19539388.

The product of its digits is 918540, while the sum is 52.

The square root of 97696915 is about 9884.1749782164. The cubic root of 97696915 is about 460.5678478800.

The spelling of 97696915 in words is "ninety-seven million, six hundred ninety-six thousand, nine hundred fifteen".