113347777 has 4 divisors (see below), whose sum is σ = 113717296. Its totient is φ = 112978260.

The previous prime is 113347763. The next prime is 113347781. The reversal of 113347777 is 777743311.

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: 777743311 = 229 ⋅3396259.

It is a cyclic number.

It is not a de Polignac number, because 113347777 - 2⁷ = 113347649 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113341777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184299 + ... + 184912.

It is an arithmetic number, because the mean of its divisors is an integer number (28429324).

Almost surely, 2^113347777 is an apocalyptic number.

It is an amenable number.

113347777 is a deficient number, since it is larger than the sum of its proper divisors (369519).

113347777 is an equidigital number, since it uses as much as digits as its factorization.

113347777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369518.

The product of its digits is 86436, while the sum is 40.

The square root of 113347777 is about 10646.4912999542. The cubic root of 113347777 is about 483.9542807371.

The spelling of 113347777 in words is "one hundred thirteen million, three hundred forty-seven thousand, seven hundred seventy-seven".