28081848807 has 24 divisors (see below), whose sum is σ = 40994881200. Its totient is φ = 18522028800.

The previous prime is 28081848763. The next prime is 28081848811. The reversal of 28081848807 is 70884818082.

28081848807 is a `hidden beast` number, since 2 + 80 + 81 + 8 + 488 + 0 + 7 = 666.

It is not a de Polignac number, because 28081848807 - 2¹² = 28081844711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28081848857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1286319 + ... + 1307967.

It is an arithmetic number, because the mean of its divisors is an integer number (1708120050).

Almost surely, 2^28081848807 is an apocalyptic number.

28081848807 is a deficient number, since it is larger than the sum of its proper divisors (12913032393).

28081848807 is a wasteful number, since it uses less digits than its factorization.

28081848807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183 (or 23180 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 54.

The spelling of 28081848807 in words is "twenty-eight billion, eighty-one million, eight hundred forty-eight thousand, eight hundred seven".