113038778 has 4 divisors (see below), whose sum is σ = 169558170. Its totient is φ = 56519388.

The previous prime is 113038753. The next prime is 113038789. The reversal of 113038778 is 877830311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 877830311 = 2081 ⋅421831.

It can be written as a sum of positive squares in only one way, i.e., 98346889 + 14691889 = 9917^2 + 3833^2 .

It is a super-3 number, since 3×113038778³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28259693 + ... + 28259696.

Almost surely, 2^113038778 is an apocalyptic number.

113038778 is a deficient number, since it is larger than the sum of its proper divisors (56519392).

113038778 is an equidigital number, since it uses as much as digits as its factorization.

113038778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56519391.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 113038778 is about 10631.9696199716. The cubic root of 113038778 is about 483.5141089404.

The spelling of 113038778 in words is "one hundred thirteen million, thirty-eight thousand, seven hundred seventy-eight".