113788778 has 4 divisors (see below), whose sum is σ = 170683170. Its totient is φ = 56894388.

The previous prime is 113788711. The next prime is 113788799. The reversal of 113788778 is 877887311.

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., 94225849 + 19562929 = 9707^2 + 4423^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28447193 + ... + 28447196.

Almost surely, 2^113788778 is an apocalyptic number.

113788778 is a deficient number, since it is larger than the sum of its proper divisors (56894392).

113788778 is an equidigital number, since it uses as much as digits as its factorization.

113788778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56894391.

The product of its digits is 526848, while the sum is 50.

The square root of 113788778 is about 10667.1822896208. The cubic root of 113788778 is about 484.5811071142.

The spelling of 113788778 in words is "one hundred thirteen million, seven hundred eighty-eight thousand, seven hundred seventy-eight".