28300214612 has 12 divisors (see below), whose sum is σ = 50222916576. Its totient is φ = 13950809880.

The previous prime is 28300214611. The next prime is 28300214627. The reversal of 28300214612 is 21641200382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300214611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49824038 + ... + 49824605.

It is an arithmetic number, because the mean of its divisors is an integer number (4185243048).

Almost surely, 2^28300214612 is an apocalyptic number.

It is an amenable number.

28300214612 is a deficient number, since it is larger than the sum of its proper divisors (21922701964).

28300214612 is a wasteful number, since it uses less digits than its factorization.

28300214612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99648718 (or 99648716 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 28300214612 its reverse (21641200382), we get a palindrome (49941414994).

The spelling of 28300214612 in words is "twenty-eight billion, three hundred million, two hundred fourteen thousand, six hundred twelve".