28849707776480 has 24 divisors (see below), whose sum is σ = 68157434622312. Its totient is φ = 11539883110528.

The previous prime is 28849707776377. The next prime is 28849707776567. The reversal of 28849707776480 is 8467770794882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90155336642 + ... + 90155336961.

It is an arithmetic number, because the mean of its divisors is an integer number (2839893109263).

Almost surely, 2^{28849707776480} is an apocalyptic number.

28849707776480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28849707776480 is an abundant number, since it is smaller than the sum of its proper divisors (39307726845832).

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

28849707776480 is a wasteful number, since it uses less digits than its factorization.

28849707776480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180310673618 (or 180310673610 counting only the distinct ones).

The product of its (nonzero) digits is 2124251136, while the sum is 77.

The spelling of 28849707776480 in words is "twenty-eight trillion, eight hundred forty-nine billion, seven hundred seven million, seven hundred seventy-six thousand, four hundred eighty".