113947777 has 4 divisors (see below), whose sum is σ = 113970096. Its totient is φ = 113925460.

The previous prime is 113947747. The next prime is 113947789. The reversal of 113947777 is 777749311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 777749311 = 379 ⋅2052109.

It is a cyclic number.

It is not a de Polignac number, because 113947777 - 2²³ = 105559169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113947747) 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, 702 + ... + 15112.

It is an arithmetic number, because the mean of its divisors is an integer number (28492524).

Almost surely, 2^113947777 is an apocalyptic number.

It is an amenable number.

113947777 is a deficient number, since it is larger than the sum of its proper divisors (22319).

113947777 is an equidigital number, since it uses as much as digits as its factorization.

113947777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22318.

The product of its digits is 259308, while the sum is 46.

The square root of 113947777 is about 10674.6324058489. The cubic root of 113947777 is about 484.8067065505.

The spelling of 113947777 in words is "one hundred thirteen million, nine hundred forty-seven thousand, seven hundred seventy-seven".