28273360782 has 16 divisors (see below), whose sum is σ = 58075011792. Its totient is φ = 9169738560.

The previous prime is 28273360777. The next prime is 28273360823. The reversal of 28273360782 is 28706337282.

It is a congruent number.

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, 63678519 + ... + 63678962.

It is an arithmetic number, because the mean of its divisors is an integer number (3629688237).

Almost surely, 2^28273360782 is an apocalyptic number.

28273360782 is an abundant number, since it is smaller than the sum of its proper divisors (29801651010).

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

28273360782 is a wasteful number, since it uses less digits than its factorization.

28273360782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127357523.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 28273360782 in words is "twenty-eight billion, two hundred seventy-three million, three hundred sixty thousand, seven hundred eighty-two".