28566264344 has 16 divisors (see below), whose sum is σ = 53611036800. Its totient is φ = 14269987872.

The previous prime is 28566264341. The next prime is 28566264359. The reversal of 28566264344 is 44346266582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28566264292 and 28566264301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28566264341) 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 3 ways as a sum of consecutive naturals, for example, 1633799 + ... + 1651190.

It is an arithmetic number, because the mean of its divisors is an integer number (3350689800).

Almost surely, 2^28566264344 is an apocalyptic number.

It is an amenable number.

28566264344 is a deficient number, since it is larger than the sum of its proper divisors (25044772456).

28566264344 is a wasteful number, since it uses less digits than its factorization.

28566264344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286082 (or 3286078 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 50.

The spelling of 28566264344 in words is "twenty-eight billion, five hundred sixty-six million, two hundred sixty-four thousand, three hundred forty-four".