113947778 has 8 divisors (see below), whose sum is σ = 195339072. Its totient is φ = 48834756.

The previous prime is 113947747. The next prime is 113947789. The reversal of 113947778 is 877749311.

It is a happy number.

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

It is a super-2 number, since 2×113947778² = 25968192222274568, which contains 22 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, 4069550 + ... + 4069577.

It is an arithmetic number, because the mean of its divisors is an integer number (24417384).

Almost surely, 2^113947778 is an apocalyptic number.

113947778 is a deficient number, since it is larger than the sum of its proper divisors (81391294).

113947778 is an equidigital number, since it uses as much as digits as its factorization.

113947778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139136.

The product of its digits is 296352, while the sum is 47.

The square root of 113947778 is about 10674.6324526889. The cubic root of 113947778 is about 484.8067079687.

The spelling of 113947778 in words is "one hundred thirteen million, nine hundred forty-seven thousand, seven hundred seventy-eight".