117455999 has 4 divisors (see below), whose sum is σ = 117960336. Its totient is φ = 116951664.

The previous prime is 117455983. The next prime is 117456029. The reversal of 117455999 is 999554711.

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 117455999 - 2⁴ = 117455983 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117455909) 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, 251819 + ... + 252284.

It is an arithmetic number, because the mean of its divisors is an integer number (29490084).

Almost surely, 2^117455999 is an apocalyptic number.

117455999 is a deficient number, since it is larger than the sum of its proper divisors (504337).

117455999 is an equidigital number, since it uses as much as digits as its factorization.

117455999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504336.

The product of its digits is 510300, while the sum is 50.

The square root of 117455999 is about 10837.7118895088. The cubic root of 117455999 is about 489.7319080460.

The spelling of 117455999 in words is "one hundred seventeen million, four hundred fifty-five thousand, nine hundred ninety-nine".