28049846784 has 80 divisors (see below), whose sum is σ = 77303445120. Its totient is φ = 9027522560.

The previous prime is 28049846717. The next prime is 28049846819. The reversal of 28049846784 is 48764894082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270312 + ... + 359399.

It is an arithmetic number, because the mean of its divisors is an integer number (966293064).

Almost surely, 2^28049846784 is an apocalyptic number.

28049846784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28049846784 is an abundant number, since it is smaller than the sum of its proper divisors (49253598336).

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

28049846784 is an equidigital number, since it uses as much as digits as its factorization.

28049846784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629761 (or 629745 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 28049846784 in words is "twenty-eight billion, forty-nine million, eight hundred forty-six thousand, seven hundred eighty-four".