113777428 has 6 divisors (see below), whose sum is σ = 199110506. Its totient is φ = 56888712.

The previous prime is 113777407. The next prime is 113777431. The reversal of 113777428 is 824777311.

It can be written as a sum of positive squares in only one way, i.e., 95218564 + 18558864 = 9758^2 + 4308^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14222175 + ... + 14222182.

Almost surely, 2^113777428 is an apocalyptic number.

It is an amenable number.

113777428 is a deficient number, since it is larger than the sum of its proper divisors (85333078).

113777428 is a wasteful number, since it uses less digits than its factorization.

113777428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28444361 (or 28444359 counting only the distinct ones).

The product of its digits is 65856, while the sum is 40.

The square root of 113777428 is about 10666.6502708207. The cubic root of 113777428 is about 484.5649948680.

The spelling of 113777428 in words is "one hundred thirteen million, seven hundred seventy-seven thousand, four hundred twenty-eight".