118886399 has 4 divisors (see below), whose sum is σ = 122985960. Its totient is φ = 114786840.

The previous prime is 118886387. The next prime is 118886407. The reversal of 118886399 is 993688811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118886399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118886399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118886329) 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, 2049737 + ... + 2049794.

It is an arithmetic number, because the mean of its divisors is an integer number (30746490).

Almost surely, 2^118886399 is an apocalyptic number.

118886399 is a deficient number, since it is larger than the sum of its proper divisors (4099561).

118886399 is an equidigital number, since it uses as much as digits as its factorization.

118886399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099560.

The product of its digits is 746496, while the sum is 53.

The square root of 118886399 is about 10903.5039780797. The cubic root of 118886399 is about 491.7119061057.

The spelling of 118886399 in words is "one hundred eighteen million, eight hundred eighty-six thousand, three hundred ninety-nine".