117479291 has 2 divisors, whose sum is σ = 117479292. Its totient is φ = 117479290.

The previous prime is 117479267. The next prime is 117479321. The reversal of 117479291 is 192974711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117479291 - 2¹⁰ = 117478267 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117479251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58739645 + 58739646.

It is an arithmetic number, because the mean of its divisors is an integer number (58739646).

Almost surely, 2^117479291 is an apocalyptic number.

117479291 is a deficient number, since it is larger than the sum of its proper divisors (1).

117479291 is an equidigital number, since it uses as much as digits as its factorization.

117479291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 41.

The square root of 117479291 is about 10838.7864173071. The cubic root of 117479291 is about 489.7642778462.

The spelling of 117479291 in words is "one hundred seventeen million, four hundred seventy-nine thousand, two hundred ninety-one".