28724283782 has 8 divisors (see below), whose sum is σ = 43120169856. Its totient is φ = 14350893832.

The previous prime is 28724283779. The next prime is 28724283799. The reversal of 28724283782 is 28738242782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5620838 + ... + 5625945.

It is an arithmetic number, because the mean of its divisors is an integer number (5390021232).

Almost surely, 2^28724283782 is an apocalyptic number.

28724283782 is a deficient number, since it is larger than the sum of its proper divisors (14395886074).

28724283782 is a wasteful number, since it uses less digits than its factorization.

28724283782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248062.

The product of its digits is 4816896, while the sum is 53.

The spelling of 28724283782 in words is "twenty-eight billion, seven hundred twenty-four million, two hundred eighty-three thousand, seven hundred eighty-two".