118885997886 has 32 divisors (see below), whose sum is σ = 244268730240. Its totient is φ = 38546495136.

The previous prime is 118885997873. The next prime is 118885997903. The reversal of 118885997886 is 688799588811.

It is a congruent number.

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, 711945 + ... + 862923.

It is an arithmetic number, because the mean of its divisors is an integer number (7633397820).

Almost surely, 2^118885997886 is an apocalyptic number.

118885997886 is an abundant number, since it is smaller than the sum of its proper divisors (125382732354).

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

118885997886 is a wasteful number, since it uses less digits than its factorization.

118885997886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154568.

The product of its digits is 557383680, while the sum is 78.

The spelling of 118885997886 in words is "one hundred eighteen billion, eight hundred eighty-five million, nine hundred ninety-seven thousand, eight hundred eighty-six".