118808977 has 12 divisors (see below), whose sum is σ = 139043520. Its totient is φ = 101219496.

The previous prime is 118808959. The next prime is 118808981. The reversal of 118808977 is 779808811.

It is a de Polignac number, because none of the positive numbers 2^k-118808977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 118808977.

It is not an unprimeable number, because it can be changed into a prime (118808917) 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, 924 + ... + 15442.

It is an arithmetic number, because the mean of its divisors is an integer number (11586960).

Almost surely, 2^118808977 is an apocalyptic number.

It is an amenable number.

118808977 is a deficient number, since it is larger than the sum of its proper divisors (20234543).

118808977 is a wasteful number, since it uses less digits than its factorization.

118808977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14700 (or 14693 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 49.

The square root of 118808977 is about 10899.9530732935. The cubic root of 118808977 is about 491.6051442826.

The spelling of 118808977 in words is "one hundred eighteen million, eight hundred eight thousand, nine hundred seventy-seven".