118079999 has 4 divisors (see below), whose sum is σ = 123213936. Its totient is φ = 112946064.

The previous prime is 118079993. The next prime is 118080019. The reversal of 118079999 is 999970811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999970811 = 7 ⋅142852973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118079999 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 118079999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118079993) 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, 2566934 + ... + 2566979.

It is an arithmetic number, because the mean of its divisors is an integer number (30803484).

Almost surely, 2^118079999 is an apocalyptic number.

118079999 is a deficient number, since it is larger than the sum of its proper divisors (5133937).

118079999 is an equidigital number, since it uses as much as digits as its factorization.

118079999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133936.

The product of its (nonzero) digits is 367416, while the sum is 53.

The square root of 118079999 is about 10866.4621197518. The cubic root of 118079999 is about 490.5976312049.

The spelling of 118079999 in words is "one hundred eighteen million, seventy-nine thousand, nine hundred ninety-nine".