97912915 has 8 divisors (see below), whose sum is σ = 120671280. Its totient is φ = 76213152.

The previous prime is 97912907. The next prime is 97912931. The reversal of 97912915 is 51921979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97912915 - 2³ = 97912907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264445 + ... + 264814.

It is an arithmetic number, because the mean of its divisors is an integer number (15083910).

Almost surely, 2^97912915 is an apocalyptic number.

97912915 is a deficient number, since it is larger than the sum of its proper divisors (22758365).

97912915 is a wasteful number, since it uses less digits than its factorization.

97912915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529301.

The product of its digits is 51030, while the sum is 43.

The square root of 97912915 is about 9895.0955023183. The cubic root of 97912915 is about 460.9070241615.

The spelling of 97912915 in words is "ninety-seven million, nine hundred twelve thousand, nine hundred fifteen".