28678859192 has 32 divisors (see below), whose sum is σ = 54812419200. Its totient is φ = 14064701664.

The previous prime is 28678859161. The next prime is 28678859207. The reversal of 28678859192 is 29195887682.

It is a congruent number.

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, 63068 + ... + 247659.

It is an arithmetic number, because the mean of its divisors is an integer number (1712888100).

Almost surely, 2^28678859192 is an apocalyptic number.

It is an amenable number.

28678859192 is a deficient number, since it is larger than the sum of its proper divisors (26133560008).

28678859192 is a wasteful number, since it uses less digits than its factorization.

28678859192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310955 (or 310951 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 65.

The spelling of 28678859192 in words is "twenty-eight billion, six hundred seventy-eight million, eight hundred fifty-nine thousand, one hundred ninety-two".