97118899 has 4 divisors (see below), whose sum is σ = 102230440. Its totient is φ = 92007360.

The previous prime is 97118863. The next prime is 97118911. The reversal of 97118899 is 99881179.

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 97118899 - 2⁹ = 97118387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97118809) 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, 2555742 + ... + 2555779.

It is an arithmetic number, because the mean of its divisors is an integer number (25557610).

Almost surely, 2^97118899 is an apocalyptic number.

97118899 is a deficient number, since it is larger than the sum of its proper divisors (5111541).

97118899 is a wasteful number, since it uses less digits than its factorization.

97118899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111540.

The product of its digits is 326592, while the sum is 52.

The square root of 97118899 is about 9854.8921353813. The cubic root of 97118899 is about 459.6577463615.

The spelling of 97118899 in words is "ninety-seven million, one hundred eighteen thousand, eight hundred ninety-nine".