7509980828 has 12 divisors (see below), whose sum is σ = 15019961712. Its totient is φ = 3218563200.

The previous prime is 7509980813. The next prime is 7509980879. The reversal of 7509980828 is 8280899057.

7509980828 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134106773 + ... + 134106828.

It is an arithmetic number, because the mean of its divisors is an integer number (1251663476).

Almost surely, 2^7509980828 is an apocalyptic number.

It is an amenable number.

7509980828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7509980828 is a wasteful number, since it uses less digits than its factorization.

7509980828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268213612 (or 268213610 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 56.

The square root of 7509980828 is about 86660.1455572283. The cubic root of 7509980828 is about 1958.3017383758.

The spelling of 7509980828 in words is "seven billion, five hundred nine million, nine hundred eighty thousand, eight hundred twenty-eight".