113779906 has 4 divisors (see below), whose sum is σ = 170669862. Its totient is φ = 56889952.

The previous prime is 113779901. The next prime is 113779931. The reversal of 113779906 is 609977311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88529281 + 25250625 = 9409^2 + 5025^2 .

It is not an unprimeable number, because it can be changed into a prime (113779901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28444975 + ... + 28444978.

Almost surely, 2^113779906 is an apocalyptic number.

113779906 is a deficient number, since it is larger than the sum of its proper divisors (56889956).

113779906 is an equidigital number, since it uses as much as digits as its factorization.

113779906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56889955.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 113779906 is about 10666.7664266168. The cubic root of 113779906 is about 484.5685126815.

The spelling of 113779906 in words is "one hundred thirteen million, seven hundred seventy-nine thousand, nine hundred six".