117275777 has 4 divisors (see below), whose sum is σ = 117543360. Its totient is φ = 117008196.

The previous prime is 117275773. The next prime is 117275789. The reversal of 117275777 is 777572711.

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 117275777 - 2² = 117275773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117275773) 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, 133133 + ... + 134010.

It is an arithmetic number, because the mean of its divisors is an integer number (29385840).

Almost surely, 2^117275777 is an apocalyptic number.

It is an amenable number.

117275777 is a deficient number, since it is larger than the sum of its proper divisors (267583).

117275777 is an equidigital number, since it uses as much as digits as its factorization.

117275777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267582.

The product of its digits is 168070, while the sum is 44.

The square root of 117275777 is about 10829.3941197096. The cubic root of 117275777 is about 489.4813017342.

The spelling of 117275777 in words is "one hundred seventeen million, two hundred seventy-five thousand, seven hundred seventy-seven".