28567766133 has 12 divisors (see below), whose sum is σ = 42595666048. Its totient is φ = 18430816680.

The previous prime is 28567766063. The next prime is 28567766137. The reversal of 28567766133 is 33166776582.

28567766133 is a `hidden beast` number, since 2 + 8 + 567 + 7 + 66 + 13 + 3 = 666.

It is not a de Polignac number, because 28567766133 - 2⁹ = 28567765621 is a prime.

It is a super-2 number, since 2×28567766133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28567766133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28567766137) 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, 51196435 + ... + 51196992.

Almost surely, 2^28567766133 is an apocalyptic number.

It is an amenable number.

28567766133 is a deficient number, since it is larger than the sum of its proper divisors (14027899915).

28567766133 is a wasteful number, since it uses less digits than its factorization.

28567766133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102393464 (or 102393461 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 28567766133 in words is "twenty-eight billion, five hundred sixty-seven million, seven hundred sixty-six thousand, one hundred thirty-three".