28372037806773 has 24 divisors (see below), whose sum is σ = 41365514268000. Its totient is φ = 18737613689184.

The previous prime is 28372037806759. The next prime is 28372037806781. The reversal of 28372037806773 is 37760873027382.

28372037806773 is a `hidden beast` number, since 283 + 7 + 203 + 7 + 80 + 6 + 7 + 73 = 666.

It is not a de Polignac number, because 28372037806773 - 2¹² = 28372037802677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28372037806773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372030806773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69352578 + ... + 69760476.

It is an arithmetic number, because the mean of its divisors is an integer number (1723563094500).

Almost surely, 2^{28372037806773} is an apocalyptic number.

It is an amenable number.

28372037806773 is a deficient number, since it is larger than the sum of its proper divisors (12993476461227).

28372037806773 is a wasteful number, since it uses less digits than its factorization.

28372037806773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480241 (or 480238 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 63.

The spelling of 28372037806773 in words is "twenty-eight trillion, three hundred seventy-two billion, thirty-seven million, eight hundred six thousand, seven hundred seventy-three".