28463328799 has 4 divisors (see below), whose sum is σ = 28464906600. Its totient is φ = 28461751000.

The previous prime is 28463328757. The next prime is 28463328811. The reversal of 28463328799 is 99782336482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28463328799 - 2¹⁷ = 28463197727 is a prime.

It is a super-2 number, since 2×28463328799² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28463328199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761524 + ... + 798025.

It is an arithmetic number, because the mean of its divisors is an integer number (7116226650).

Almost surely, 2^28463328799 is an apocalyptic number.

28463328799 is a deficient number, since it is larger than the sum of its proper divisors (1577801).

28463328799 is a wasteful number, since it uses less digits than its factorization.

28463328799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577800.

The product of its digits is 31352832, while the sum is 61.

The spelling of 28463328799 in words is "twenty-eight billion, four hundred sixty-three million, three hundred twenty-eight thousand, seven hundred ninety-nine".