117305899 has 16 divisors (see below), whose sum is σ = 129103200. Its totient is φ = 106089984.

The previous prime is 117305893. The next prime is 117305917. The reversal of 117305899 is 998503711.

It is a cyclic number.

It is not a de Polignac number, because 117305899 - 2²¹ = 115208747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117305893) 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, 136132 + ... + 136990.

It is an arithmetic number, because the mean of its divisors is an integer number (8068950).

Almost surely, 2^117305899 is an apocalyptic number.

117305899 is a deficient number, since it is larger than the sum of its proper divisors (11797301).

117305899 is a wasteful number, since it uses less digits than its factorization.

117305899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 117305899 is about 10830.7847822769. The cubic root of 117305899 is about 489.5232055101.

The spelling of 117305899 in words is "one hundred seventeen million, three hundred five thousand, eight hundred ninety-nine".