1113778886 has 16 divisors (see below), whose sum is σ = 1823653440. Its totient is φ = 505955880.

The previous prime is 1113778829. The next prime is 1113778889. The reversal of 1113778886 is 6888773111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113778889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23945 + ... + 52923.

It is an arithmetic number, because the mean of its divisors is an integer number (113978340).

Almost surely, 2^1113778886 is an apocalyptic number.

1113778886 is a deficient number, since it is larger than the sum of its proper divisors (709874554).

1113778886 is a wasteful number, since it uses less digits than its factorization.

1113778886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30739.

The product of its digits is 451584, while the sum is 50.

The square root of 1113778886 is about 33373.3259655072. The cubic root of 1113778886 is about 1036.5724457928.

The spelling of 1113778886 in words is "one billion, one hundred thirteen million, seven hundred seventy-eight thousand, eight hundred eighty-six".