113042778 has 8 divisors (see below), whose sum is σ = 226085568. Its totient is φ = 37680924.

The previous prime is 113042753. The next prime is 113042803. The reversal of 113042778 is 877240311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113042753) and next prime (113042803).

It is a sphenic number, since it is the product of 3 distinct primes.

113042778 is an admirable number.

It is a super-3 number, since 3×113042778³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9420226 + ... + 9420237.

It is an arithmetic number, because the mean of its divisors is an integer number (28260696).

Almost surely, 2^113042778 is an apocalyptic number.

113042778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113042778 is a wasteful number, since it uses less digits than its factorization.

113042778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840468.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 113042778 is about 10632.1577302070. The cubic root of 113042778 is about 483.5198120972.

The spelling of 113042778 in words is "one hundred thirteen million, forty-two thousand, seven hundred seventy-eight".