28887696846 has 64 divisors (see below), whose sum is σ = 64555626240. Its totient is φ = 9575275680.

The previous prime is 28887696781. The next prime is 28887696857. The reversal of 28887696846 is 64869678882.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8273161 + ... + 8276651.

It is an arithmetic number, because the mean of its divisors is an integer number (1008681660).

Almost surely, 2^28887696846 is an apocalyptic number.

28887696846 is an abundant number, since it is smaller than the sum of its proper divisors (35667929394).

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

28887696846 is a wasteful number, since it uses less digits than its factorization.

28887696846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4312 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 72.

The spelling of 28887696846 in words is "twenty-eight billion, eight hundred eighty-seven million, six hundred ninety-six thousand, eight hundred forty-six".