1113466778 has 4 divisors (see below), whose sum is σ = 1670200170. Its totient is φ = 556733388.

The previous prime is 1113466763. The next prime is 1113466787. The reversal of 1113466778 is 8776643111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1111355569 + 2111209 = 33337^2 + 1453^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278366693 + ... + 278366696.

Almost surely, 2^1113466778 is an apocalyptic number.

1113466778 is a deficient number, since it is larger than the sum of its proper divisors (556733392).

1113466778 is an equidigital number, since it uses as much as digits as its factorization.

1113466778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556733391.

The product of its digits is 169344, while the sum is 44.

The square root of 1113466778 is about 33368.6496280566. The cubic root of 1113466778 is about 1036.4756124562.

The spelling of 1113466778 in words is "one billion, one hundred thirteen million, four hundred sixty-six thousand, seven hundred seventy-eight".