117388963 has 4 divisors (see below), whose sum is σ = 117440608. Its totient is φ = 117337320.

The previous prime is 117388933. The next prime is 117388979. The reversal of 117388963 is 369883711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369883711 = 151 ⋅2449561.

It is a cyclic number.

It is not a de Polignac number, because 117388963 - 2²¹ = 115291811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117388903) 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, 22248 + ... + 27013.

It is an arithmetic number, because the mean of its divisors is an integer number (29360152).

Almost surely, 2^117388963 is an apocalyptic number.

117388963 is a deficient number, since it is larger than the sum of its proper divisors (51645).

117388963 is an equidigital number, since it uses as much as digits as its factorization.

117388963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51644.

The product of its digits is 217728, while the sum is 46.

The square root of 117388963 is about 10834.6187288709. The cubic root of 117388963 is about 489.6387216156.

The spelling of 117388963 in words is "one hundred seventeen million, three hundred eighty-eight thousand, nine hundred sixty-three".