117761046917 has 4 divisors (see below), whose sum is σ = 117765574476. Its totient is φ = 117756519360.

The previous prime is 117761046911. The next prime is 117761046929. The reversal of 117761046917 is 719640167711.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82986629476 + 34774417441 = 288074^2 + 186479^2 .

It is a cyclic number.

It is not a de Polignac number, because 117761046917 - 2¹² = 117761042821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117761046911) 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, 2224538 + ... + 2276859.

It is an arithmetic number, because the mean of its divisors is an integer number (29441393619).

Almost surely, 2^117761046917 is an apocalyptic number.

It is an amenable number.

117761046917 is a deficient number, since it is larger than the sum of its proper divisors (4527559).

117761046917 is an equidigital number, since it uses as much as digits as its factorization.

117761046917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527558.

The product of its (nonzero) digits is 444528, while the sum is 50.

The spelling of 117761046917 in words is "one hundred seventeen billion, seven hundred sixty-one million, forty-six thousand, nine hundred seventeen".