97818117 has 8 divisors (see below), whose sum is σ = 130605024. Its totient is φ = 65121648.

The previous prime is 97818109. The next prime is 97818143. The reversal of 97818117 is 71181879.

It is a happy number.

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

It is not a de Polignac number, because 97818117 - 2³ = 97818109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97818107) 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, 20043 + ... + 24440.

It is an arithmetic number, because the mean of its divisors is an integer number (16325628).

Almost surely, 2^97818117 is an apocalyptic number.

It is an amenable number.

97818117 is a deficient number, since it is larger than the sum of its proper divisors (32786907).

97818117 is a wasteful number, since it uses less digits than its factorization.

97818117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45219.

The product of its digits is 28224, while the sum is 42.

The square root of 97818117 is about 9890.3041914797. The cubic root of 97818117 is about 460.7582280853.

The spelling of 97818117 in words is "ninety-seven million, eight hundred eighteen thousand, one hundred seventeen".