118816839 has 12 divisors (see below), whose sum is σ = 171771600. Its totient is φ = 79143264.

The previous prime is 118816829. The next prime is 118816849. The reversal of 118816839 is 938618811.

It is an interprime number because it is at equal distance from previous prime (118816829) and next prime (118816849).

It is not a de Polignac number, because 118816839 - 2²⁰ = 117768263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118816794 and 118816803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118816829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6867 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (14314300).

Almost surely, 2^118816839 is an apocalyptic number.

118816839 is a deficient number, since it is larger than the sum of its proper divisors (52954761).

118816839 is a wasteful number, since it uses less digits than its factorization.

118816839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334 (or 11331 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 118816839 is about 10900.3137110819. The cubic root of 118816839 is about 491.6159877797.

The spelling of 118816839 in words is "one hundred eighteen million, eight hundred sixteen thousand, eight hundred thirty-nine".