117999983 has 2 divisors, whose sum is σ = 117999984. Its totient is φ = 117999982.

The previous prime is 117999961. The next prime is 118000063. The reversal of 117999983 is 389999711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117999983 - 2¹⁴ = 117983599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117999283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58999991 + 58999992.

It is an arithmetic number, because the mean of its divisors is an integer number (58999992).

Almost surely, 2^117999983 is an apocalyptic number.

117999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

117999983 is an equidigital number, since it uses as much as digits as its factorization.

117999983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 56.

The square root of 117999983 is about 10862.7797087118. The cubic root of 117999983 is about 490.4867895979.

The spelling of 117999983 in words is "one hundred seventeen million, nine hundred ninety-nine thousand, nine hundred eighty-three".