28769326180 has 48 divisors (see below), whose sum is σ = 71273696256. Its totient is φ = 9545581440.

The previous prime is 28769326169. The next prime is 28769326213. The reversal of 28769326180 is 8162396782.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3310099 + ... + 3318778.

It is an arithmetic number, because the mean of its divisors is an integer number (1484868672).

Almost surely, 2^28769326180 is an apocalyptic number.

28769326180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28769326180 is an abundant number, since it is smaller than the sum of its proper divisors (42504370076).

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

28769326180 is a wasteful number, since it uses less digits than its factorization.

28769326180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628924 (or 6628922 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 28769326180 in words is "twenty-eight billion, seven hundred sixty-nine million, three hundred twenty-six thousand, one hundred eighty".