113778583 has 4 divisors (see below), whose sum is σ = 113825088. Its totient is φ = 113732080.

The previous prime is 113778563. The next prime is 113778601. The reversal of 113778583 is 385877311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385877311 = 2347 ⋅164413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113778583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113778503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19366 + ... + 24547.

It is an arithmetic number, because the mean of its divisors is an integer number (28456272).

Almost surely, 2^113778583 is an apocalyptic number.

113778583 is a deficient number, since it is larger than the sum of its proper divisors (46505).

113778583 is an equidigital number, since it uses as much as digits as its factorization.

113778583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46504.

The product of its digits is 141120, while the sum is 43.

The square root of 113778583 is about 10666.7044113916. The cubic root of 113778583 is about 484.5666345332.

The spelling of 113778583 in words is "one hundred thirteen million, seven hundred seventy-eight thousand, five hundred eighty-three".