117768611 has 4 divisors (see below), whose sum is σ = 117833232. Its totient is φ = 117703992.

The previous prime is 117768601. The next prime is 117768619. The reversal of 117768611 is 116867711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116867711 = 5297 ⋅22063.

It is a cyclic number.

It is not a de Polignac number, because 117768611 - 2²⁶ = 50659747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117768619) 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, 29495 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (29458308).

Almost surely, 2^117768611 is an apocalyptic number.

117768611 is a deficient number, since it is larger than the sum of its proper divisors (64621).

117768611 is an equidigital number, since it uses as much as digits as its factorization.

117768611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64620.

The product of its digits is 14112, while the sum is 38.

The square root of 117768611 is about 10852.1247228365. The cubic root of 117768611 is about 490.1660009547.

The spelling of 117768611 in words is "one hundred seventeen million, seven hundred sixty-eight thousand, six hundred eleven".