97099115 has 4 divisors (see below), whose sum is σ = 116518944. Its totient is φ = 77679288.

The previous prime is 97099109. The next prime is 97099151. The reversal of 97099115 is 51199079.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51199079 = 59 ⋅867781.

It is a cyclic number.

It is not a de Polignac number, because 97099115 - 2²⁶ = 29990251 is a prime.

It is a Duffinian 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, 9709907 + ... + 9709916.

It is an arithmetic number, because the mean of its divisors is an integer number (29129736).

Almost surely, 2^97099115 is an apocalyptic number.

97099115 is a deficient number, since it is larger than the sum of its proper divisors (19419829).

97099115 is a wasteful number, since it uses less digits than its factorization.

97099115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19419828.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 97099115 is about 9853.8883188313. Note that the first 3 decimals coincide. The cubic root of 97099115 is about 459.6265320921.

The spelling of 97099115 in words is "ninety-seven million, ninety-nine thousand, one hundred fifteen".