118987079808 has 128 divisors (see below), whose sum is σ = 341174332800. Its totient is φ = 36629626880.

The previous prime is 118987079767. The next prime is 118987079821. The reversal of 118987079808 is 808970789811.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×118987079808² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23848 + ... + 488408.

It is an arithmetic number, because the mean of its divisors is an integer number (2665424475).

Almost surely, 2^118987079808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118987079808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170587166400).

118987079808 is an abundant number, since it is smaller than the sum of its proper divisors (222187252992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118987079808 is a wasteful number, since it uses less digits than its factorization.

118987079808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464630 (or 464618 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 66.

The spelling of 118987079808 in words is "one hundred eighteen billion, nine hundred eighty-seven million, seventy-nine thousand, eight hundred eight".