28000928976 has 80 divisors (see below), whose sum is σ = 76181582400. Its totient is φ = 8837904384.

The previous prime is 28000928933. The next prime is 28000928983. The reversal of 28000928976 is 67982900082.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099160 + ... + 2112456.

It is an arithmetic number, because the mean of its divisors is an integer number (952269780).

Almost surely, 2^28000928976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28000928976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38090791200).

28000928976 is an abundant number, since it is smaller than the sum of its proper divisors (48180653424).

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

28000928976 is a wasteful number, since it uses less digits than its factorization.

28000928976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15636 (or 15630 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 28000928976 in words is "twenty-eight billion, nine hundred twenty-eight thousand, nine hundred seventy-six".