117897099 has 16 divisors (see below), whose sum is σ = 164782464. Its totient is φ = 74894400.

The previous prime is 117897083. The next prime is 117897121. The reversal of 117897099 is 990798711.

It is not a de Polignac number, because 117897099 - 2⁴ = 117897083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117897049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5857 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (10298904).

Almost surely, 2^117897099 is an apocalyptic number.

117897099 is a deficient number, since it is larger than the sum of its proper divisors (46885365).

117897099 is a wasteful number, since it uses less digits than its factorization.

117897099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22378.

The product of its (nonzero) digits is 285768, while the sum is 51.

The square root of 117897099 is about 10858.0430557260. The cubic root of 117897099 is about 490.3441965937.

The spelling of 117897099 in words is "one hundred seventeen million, eight hundred ninety-seven thousand, ninety-nine".