28347200684 has 24 divisors (see below), whose sum is σ = 54142981200. Its totient is φ = 12878996480.

The previous prime is 28347200677. The next prime is 28347200731. The reversal of 28347200684 is 48600274382.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57629 + ... + 244980.

It is an arithmetic number, because the mean of its divisors is an integer number (2255957550).

Almost surely, 2^28347200684 is an apocalyptic number.

It is an amenable number.

28347200684 is a deficient number, since it is larger than the sum of its proper divisors (25795780516).

28347200684 is a wasteful number, since it uses less digits than its factorization.

28347200684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304753 (or 304751 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 28347200684 in words is "twenty-eight billion, three hundred forty-seven million, two hundred thousand, six hundred eighty-four".