28337134812 has 48 divisors (see below), whose sum is σ = 79542839040. Its totient is φ = 7670201472.

The previous prime is 28337134753. The next prime is 28337134841. The reversal of 28337134812 is 21843173382.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 8875953 + ... + 8879144.

It is an arithmetic number, because the mean of its divisors is an integer number (1657142480).

Almost surely, 2^28337134812 is an apocalyptic number.

It is an amenable number.

28337134812 is an abundant number, since it is smaller than the sum of its proper divisors (51205704228).

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

28337134812 is a wasteful number, since it uses less digits than its factorization.

28337134812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17755130 (or 17755128 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The spelling of 28337134812 in words is "twenty-eight billion, three hundred thirty-seven million, one hundred thirty-four thousand, eight hundred twelve".