117690563 has 4 divisors (see below), whose sum is σ = 122807568. Its totient is φ = 112573560.

The previous prime is 117690557. The next prime is 117690569. The reversal of 117690563 is 365096711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365096711 = 7 ⋅52156673.

It is an interprime number because it is at equal distance from previous prime (117690557) and next prime (117690569).

It is a cyclic number.

It is not a de Polignac number, because 117690563 - 2⁶ = 117690499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117690569) 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, 2558468 + ... + 2558513.

It is an arithmetic number, because the mean of its divisors is an integer number (30701892).

Almost surely, 2^117690563 is an apocalyptic number.

117690563 is a deficient number, since it is larger than the sum of its proper divisors (5117005).

117690563 is an equidigital number, since it uses as much as digits as its factorization.

117690563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117004.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 117690563 is about 10848.5281490163. The cubic root of 117690563 is about 490.0576955526.

The spelling of 117690563 in words is "one hundred seventeen million, six hundred ninety thousand, five hundred sixty-three".