28104219759 has 96 divisors (see below), whose sum is σ = 50892567040. Its totient is φ = 13456523520.

The previous prime is 28104219719. The next prime is 28104219779. The reversal of 28104219759 is 95791240182.

It is a happy number.

It is not a de Polignac number, because 28104219759 - 2⁸ = 28104219503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28104219719) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1778457 + ... + 1794189.

Almost surely, 2^28104219759 is an apocalyptic number.

28104219759 is a deficient number, since it is larger than the sum of its proper divisors (22788347281).

28104219759 is a wasteful number, since it uses less digits than its factorization.

28104219759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15821 (or 15810 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 28104219759 in words is "twenty-eight billion, one hundred four million, two hundred nineteen thousand, seven hundred fifty-nine".