28033207782 has 16 divisors (see below), whose sum is σ = 56212807680. Its totient is φ = 9320003912.

The previous prime is 28033207777. The next prime is 28033207793. The reversal of 28033207782 is 28770233082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6097182 + ... + 6101777.

It is an arithmetic number, because the mean of its divisors is an integer number (3513300480).

Almost surely, 2^28033207782 is an apocalyptic number.

28033207782 is an abundant number, since it is smaller than the sum of its proper divisors (28179599898).

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

28033207782 is a wasteful number, since it uses less digits than its factorization.

28033207782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199347.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 28033207782 in words is "twenty-eight billion, thirty-three million, two hundred seven thousand, seven hundred eighty-two".