28372224733 has 8 divisors (see below), whose sum is σ = 29361646080. Its totient is φ = 27383541360.

The previous prime is 28372224703. The next prime is 28372224737. The reversal of 28372224733 is 33742227382.

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

It is a cyclic number.

It is not a de Polignac number, because 28372224733 - 2¹³ = 28372216541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28372224733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372224737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105685 + ... + 260602.

It is an arithmetic number, because the mean of its divisors is an integer number (3670205760).

Almost surely, 2^28372224733 is an apocalyptic number.

It is an amenable number.

28372224733 is a deficient number, since it is larger than the sum of its proper divisors (989421347).

28372224733 is a wasteful number, since it uses less digits than its factorization.

28372224733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368987.

The product of its digits is 677376, while the sum is 43.

The spelling of 28372224733 in words is "twenty-eight billion, three hundred seventy-two million, two hundred twenty-four thousand, seven hundred thirty-three".