28258679799 has 18 divisors (see below), whose sum is σ = 47482272240. Its totient is φ = 16147816776.

The previous prime is 28258679789. The next prime is 28258679881. The reversal of 28258679799 is 99797685282.

It is not a de Polignac number, because 28258679799 - 2⁴ = 28258679783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28258679719) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32038879 + ... + 32039760.

Almost surely, 2^28258679799 is an apocalyptic number.

28258679799 is a deficient number, since it is larger than the sum of its proper divisors (19223592441).

28258679799 is a wasteful number, since it uses less digits than its factorization.

28258679799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64078659 (or 64078649 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 28258679799 in words is "twenty-eight billion, two hundred fifty-eight million, six hundred seventy-nine thousand, seven hundred ninety-nine".