118073978 has 24 divisors (see below), whose sum is σ = 200968320. Its totient is φ = 51935400.

The previous prime is 118073971. The next prime is 118073981. The reversal of 118073978 is 879370811.

It is not an unprimeable number, because it can be changed into a prime (118073971) 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, 368 + ... + 15371.

It is an arithmetic number, because the mean of its divisors is an integer number (8373680).

Almost surely, 2^118073978 is an apocalyptic number.

118073978 is a deficient number, since it is larger than the sum of its proper divisors (82894342).

118073978 is a wasteful number, since it uses less digits than its factorization.

118073978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15794 (or 15783 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 118073978 is about 10866.1850711278. The cubic root of 118073978 is about 490.5892923990.

The spelling of 118073978 in words is "one hundred eighteen million, seventy-three thousand, nine hundred seventy-eight".