113361978 has 32 divisors (see below), whose sum is σ = 235929600. Its totient is φ = 36272880.

The previous prime is 113361977. The next prime is 113362013. The reversal of 113361978 is 879163311.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113361971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21223 + ... + 26021.

It is an arithmetic number, because the mean of its divisors is an integer number (7372800).

Almost surely, 2^113361978 is an apocalyptic number.

113361978 is an abundant number, since it is smaller than the sum of its proper divisors (122567622).

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

113361978 is a wasteful number, since it uses less digits than its factorization.

113361978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962.

The product of its digits is 27216, while the sum is 39.

The square root of 113361978 is about 10647.1582124058. The cubic root of 113361978 is about 483.9744909489.

The spelling of 113361978 in words is "one hundred thirteen million, three hundred sixty-one thousand, nine hundred seventy-eight".