28843902336 has 64 divisors (see below), whose sum is σ = 78687373680. Its totient is φ = 9354774528.

The previous prime is 28843902293. The next prime is 28843902341. The reversal of 28843902336 is 63320934882.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1000851 + ... + 1029266.

Almost surely, 2^28843902336 is an apocalyptic number.

It is an amenable number.

28843902336 is an abundant number, since it is smaller than the sum of its proper divisors (49843471344).

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

28843902336 is a wasteful number, since it uses less digits than its factorization.

28843902336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030171 (or 2030159 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 28843902336 in words is "twenty-eight billion, eight hundred forty-three million, nine hundred two thousand, three hundred thirty-six".