28064461535 has 16 divisors (see below), whose sum is σ = 36746278560. Its totient is φ = 20406435840.

The previous prime is 28064461531. The next prime is 28064461549. The reversal of 28064461535 is 53516446082.

It is not a de Polignac number, because 28064461535 - 2² = 28064461531 is a prime.

It is a super-2 number, since 2×28064461535² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28064461531) 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 15 ways as a sum of consecutive naturals, for example, 241631 + ... + 338399.

It is an arithmetic number, because the mean of its divisors is an integer number (2296642410).

Almost surely, 2^28064461535 is an apocalyptic number.

28064461535 is a deficient number, since it is larger than the sum of its proper divisors (8681817025).

28064461535 is a wasteful number, since it uses less digits than its factorization.

28064461535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102058.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 28064461535 in words is "twenty-eight billion, sixty-four million, four hundred sixty-one thousand, five hundred thirty-five".