28469773611 has 12 divisors (see below), whose sum is σ = 41329657200. Its totient is φ = 18884471760.

The previous prime is 28469773573. The next prime is 28469773621. The reversal of 28469773611 is 11637796482.

It is not a de Polignac number, because 28469773611 - 2¹³ = 28469765419 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28469773621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7946220 + ... + 7949801.

It is an arithmetic number, because the mean of its divisors is an integer number (3444138100).

Almost surely, 2^28469773611 is an apocalyptic number.

28469773611 is a deficient number, since it is larger than the sum of its proper divisors (12859883589).

28469773611 is a wasteful number, since it uses less digits than its factorization.

28469773611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15896226 (or 15896223 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 28469773611 in words is "twenty-eight billion, four hundred sixty-nine million, seven hundred seventy-three thousand, six hundred eleven".