1115879764 has 24 divisors (see below), whose sum is σ = 1966462400. Its totient is φ = 554045184.

The previous prime is 1115879749. The next prime is 1115879797. The reversal of 1115879764 is 4679785111.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 534667 + ... + 536749.

Almost surely, 2^1115879764 is an apocalyptic number.

It is an amenable number.

1115879764 is a deficient number, since it is larger than the sum of its proper divisors (850582636).

1115879764 is a wasteful number, since it uses less digits than its factorization.

1115879764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959 (or 2957 counting only the distinct ones).

The product of its digits is 423360, while the sum is 49.

The square root of 1115879764 is about 33404.7865432486. The cubic root of 1115879764 is about 1037.2237852590.

The spelling of 1115879764 in words is "one billion, one hundred fifteen million, eight hundred seventy-nine thousand, seven hundred sixty-four".