1163785928 has 16 divisors (see below), whose sum is σ = 2202493680. Its totient is φ = 576454288.

The previous prime is 1163785919. The next prime is 1163785939. The reversal of 1163785928 is 8295873611.

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 in 3 ways as a sum of consecutive naturals, for example, 678926 + ... + 680637.

It is an arithmetic number, because the mean of its divisors is an integer number (137655855).

Almost surely, 2^1163785928 is an apocalyptic number.

It is an amenable number.

1163785928 is a deficient number, since it is larger than the sum of its proper divisors (1038707752).

1163785928 is a wasteful number, since it uses less digits than its factorization.

1163785928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359676 (or 1359672 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 1163785928 is about 34114.3067934848. The cubic root of 1163785928 is about 1051.8594196917.

The spelling of 1163785928 in words is "one billion, one hundred sixty-three million, seven hundred eighty-five thousand, nine hundred twenty-eight".