28766415180 has 24 divisors (see below), whose sum is σ = 80545962672. Its totient is φ = 7671044032.

The previous prime is 28766415149. The next prime is 28766415191. The reversal of 28766415180 is 8151466782.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 239720067 + ... + 239720186.

It is an arithmetic number, because the mean of its divisors is an integer number (3356081778).

Almost surely, 2^28766415180 is an apocalyptic number.

28766415180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28766415180 is an abundant number, since it is smaller than the sum of its proper divisors (51779547492).

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

28766415180 is a wasteful number, since it uses less digits than its factorization.

28766415180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479440265 (or 479440263 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 28766415180 in words is "twenty-eight billion, seven hundred sixty-six million, four hundred fifteen thousand, one hundred eighty".