117279361 has 4 divisors (see below), whose sum is σ = 120006832. Its totient is φ = 114551892.

The previous prime is 117279359. The next prime is 117279367. The reversal of 117279361 is 163972711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163972711 = 7 ⋅23424673.

It is a cyclic number.

It is not a de Polignac number, because 117279361 - 2¹ = 117279359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117279361.

It is not an unprimeable number, because it can be changed into a prime (117279367) 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, 1363671 + ... + 1363756.

It is an arithmetic number, because the mean of its divisors is an integer number (30001708).

Almost surely, 2^117279361 is an apocalyptic number.

It is an amenable number.

117279361 is a deficient number, since it is larger than the sum of its proper divisors (2727471).

117279361 is an equidigital number, since it uses as much as digits as its factorization.

117279361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727470.

The product of its digits is 15876, while the sum is 37.

The square root of 117279361 is about 10829.5595940001. The cubic root of 117279361 is about 489.4862879390.

The spelling of 117279361 in words is "one hundred seventeen million, two hundred seventy-nine thousand, three hundred sixty-one".