117679863 has 40 divisors (see below), whose sum is σ = 193685888. Its totient is φ = 62224848.

The previous prime is 117679823. The next prime is 117679867. The reversal of 117679863 is 368976711.

It is a happy number.

It is not a de Polignac number, because 117679863 - 2¹⁶ = 117614327 is a prime.

It is a Duffinian number.

Its product of digits (381024) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117679867) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2736720 + ... + 2736762.

Almost surely, 2^117679863 is an apocalyptic number.

117679863 is a deficient number, since it is larger than the sum of its proper divisors (76006025).

117679863 is an frugal number, since it uses more digits than its factorization.

117679863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 72 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 117679863 is about 10848.0349833507. The cubic root of 117679863 is about 490.0428436785.

The spelling of 117679863 in words is "one hundred seventeen million, six hundred seventy-nine thousand, eight hundred sixty-three".