28737812276 has 48 divisors (see below), whose sum is σ = 53121096000. Its totient is φ = 13583136000.

The previous prime is 28737812237. The next prime is 28737812287. The reversal of 28737812276 is 67221873782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709480 + ... + 1726208.

It is an arithmetic number, because the mean of its divisors is an integer number (1106689500).

Almost surely, 2^28737812276 is an apocalyptic number.

It is an amenable number.

28737812276 is a deficient number, since it is larger than the sum of its proper divisors (24383283724).

28737812276 is a wasteful number, since it uses less digits than its factorization.

28737812276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17072 (or 17070 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 53.

The spelling of 28737812276 in words is "twenty-eight billion, seven hundred thirty-seven million, eight hundred twelve thousand, two hundred seventy-six".