76869128 has 64 divisors (see below), whose sum is σ = 176636160. Its totient is φ = 30640896.

The previous prime is 76869113. The next prime is 76869139. The reversal of 76869128 is 82196867.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46850 + ... + 48462.

It is an arithmetic number, because the mean of its divisors is an integer number (2759940).

Almost surely, 2^76869128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76869128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88318080).

76869128 is an abundant number, since it is smaller than the sum of its proper divisors (99767032).

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

76869128 is a wasteful number, since it uses less digits than its factorization.

76869128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1682 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 76869128 is about 8767.5040918154. The cubic root of 76869128 is about 425.1909232151.

It can be divided in two parts, 768 and 69128, that added together give a palindrome (69896).

The spelling of 76869128 in words is "seventy-six million, eight hundred sixty-nine thousand, one hundred twenty-eight".