117914777 has 4 divisors (see below), whose sum is σ = 117966096. Its totient is φ = 117863460.

The previous prime is 117914761. The next prime is 117914789. The reversal of 117914777 is 777419711.

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.

It is a cyclic number.

It is not a de Polignac number, because 117914777 - 2⁴ = 117914761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117914677) 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, 22043 + ... + 26864.

It is an arithmetic number, because the mean of its divisors is an integer number (29491524).

Almost surely, 2^117914777 is an apocalyptic number.

It is an amenable number.

117914777 is a deficient number, since it is larger than the sum of its proper divisors (51319).

117914777 is an equidigital number, since it uses as much as digits as its factorization.

117914777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51318.

The product of its digits is 86436, while the sum is 44.

The square root of 117914777 is about 10858.8570761384. The cubic root of 117914777 is about 490.3687034774.

The spelling of 117914777 in words is "one hundred seventeen million, nine hundred fourteen thousand, seven hundred seventy-seven".