113438777 has 12 divisors (see below), whose sum is σ = 117409140. Its totient is φ = 109587456.

The previous prime is 113438771. The next prime is 113438821. The reversal of 113438777 is 777834311.

It can be written as a sum of positive squares in 2 ways, for example, as 77246521 + 36192256 = 8789^2 + 6016^2 .

It is not a de Polignac number, because 113438777 - 2⁶ = 113438713 is a prime.

It is a super-2 number, since 2×113438777² = 25736712254511458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113438771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196313 + ... + 196889.

It is an arithmetic number, because the mean of its divisors is an integer number (9784095).

Almost surely, 2^113438777 is an apocalyptic number.

It is an amenable number.

113438777 is a deficient number, since it is larger than the sum of its proper divisors (3970363).

113438777 is an frugal number, since it uses more digits than its factorization.

113438777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 713 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 113438777 is about 10650.7641509894. The cubic root of 113438777 is about 484.0837585276.

The spelling of 113438777 in words is "one hundred thirteen million, four hundred thirty-eight thousand, seven hundred seventy-seven".