117775663 has 4 divisors (see below), whose sum is σ = 122896368. Its totient is φ = 112654960.

The previous prime is 117775633. The next prime is 117775687. The reversal of 117775663 is 366577711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366577711 = 683 ⋅536717.

It is a cyclic number.

It is not a de Polignac number, because 117775663 - 2⁵ = 117775631 is a prime.

It is a super-2 number, since 2×117775663² = 27742213590179138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117775613) 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, 2560318 + ... + 2560363.

It is an arithmetic number, because the mean of its divisors is an integer number (30724092).

Almost surely, 2^117775663 is an apocalyptic number.

117775663 is a deficient number, since it is larger than the sum of its proper divisors (5120705).

117775663 is an equidigital number, since it uses as much as digits as its factorization.

117775663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120704.

The product of its digits is 185220, while the sum is 43.

The square root of 117775663 is about 10852.4496313044. The cubic root of 117775663 is about 490.1757844944.

The spelling of 117775663 in words is "one hundred seventeen million, seven hundred seventy-five thousand, six hundred sixty-three".