118559978 has 8 divisors (see below), whose sum is σ = 179197920. Its totient is φ = 58827340.

The previous prime is 118559977. The next prime is 118559983. The reversal of 118559978 is 879955811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (118559971) 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, 225998 + ... + 226521.

It is an arithmetic number, because the mean of its divisors is an integer number (22399740).

Almost surely, 2^118559978 is an apocalyptic number.

118559978 is a deficient number, since it is larger than the sum of its proper divisors (60637942).

118559978 is a wasteful number, since it uses less digits than its factorization.

118559978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452652.

The product of its digits is 907200, while the sum is 53.

The square root of 118559978 is about 10888.5250608152. The cubic root of 118559978 is about 491.2614699047.

The spelling of 118559978 in words is "one hundred eighteen million, five hundred fifty-nine thousand, nine hundred seventy-eight".