117915267 has 4 divisors (see below), whose sum is σ = 157220360. Its totient is φ = 78610176.

The previous prime is 117915241. The next prime is 117915271. The reversal of 117915267 is 762519711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117915267 - 2⁸ = 117915011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117915277) 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, 19652542 + ... + 19652547.

It is an arithmetic number, because the mean of its divisors is an integer number (39305090).

Almost surely, 2^117915267 is an apocalyptic number.

117915267 is a deficient number, since it is larger than the sum of its proper divisors (39305093).

117915267 is an equidigital number, since it uses as much as digits as its factorization.

117915267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39305092.

The product of its digits is 26460, while the sum is 39.

The square root of 117915267 is about 10858.8796383421. The cubic root of 117915267 is about 490.3693827260.

The spelling of 117915267 in words is "one hundred seventeen million, nine hundred fifteen thousand, two hundred sixty-seven".