116790978 has 16 divisors (see below), whose sum is σ = 235422720. Its totient is φ = 38623536.

The previous prime is 116790977. The next prime is 116790991. The reversal of 116790978 is 879097611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (116790977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75873 + ... + 77396.

It is an arithmetic number, because the mean of its divisors is an integer number (14713920).

Almost surely, 2^116790978 is an apocalyptic number.

116790978 is an abundant number, since it is smaller than the sum of its proper divisors (118631742).

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

116790978 is a wasteful number, since it uses less digits than its factorization.

116790978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153401.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 116790978 is about 10806.9874618230. The cubic root of 116790978 is about 488.8058914852.

The spelling of 116790978 in words is "one hundred sixteen million, seven hundred ninety thousand, nine hundred seventy-eight".