28364562866 has 16 divisors (see below), whose sum is σ = 45063889920. Its totient is φ = 13343795520.

The previous prime is 28364562857. The next prime is 28364562899. The reversal of 28364562866 is 66826546382.

28364562866 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×28364562866² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22226 + ... + 239213.

It is an arithmetic number, because the mean of its divisors is an integer number (2816493120).

Almost surely, 2^28364562866 is an apocalyptic number.

28364562866 is a deficient number, since it is larger than the sum of its proper divisors (16699327054).

28364562866 is a wasteful number, since it uses less digits than its factorization.

28364562866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264649.

The product of its digits is 19906560, while the sum is 56.

The spelling of 28364562866 in words is "twenty-eight billion, three hundred sixty-four million, five hundred sixty-two thousand, eight hundred sixty-six".