1167788028 has 24 divisors (see below), whose sum is σ = 2972551680. Its totient is φ = 353875120.

The previous prime is 1167787981. The next prime is 1167788029. The reversal of 1167788028 is 8208877611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167788029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4423308 + ... + 4423571.

It is an arithmetic number, because the mean of its divisors is an integer number (123856320).

Almost surely, 2^1167788028 is an apocalyptic number.

It is an amenable number.

1167788028 is an abundant number, since it is smaller than the sum of its proper divisors (1804763652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1167788028 is a wasteful number, since it uses less digits than its factorization.

1167788028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846897 (or 8846895 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 48.

The square root of 1167788028 is about 34172.9136597979. The cubic root of 1167788028 is about 1053.0637735780.

The spelling of 1167788028 in words is "one billion, one hundred sixty-seven million, seven hundred eighty-eight thousand, twenty-eight".