28259695282 has 32 divisors (see below), whose sum is σ = 52319659392. Its totient is φ = 11147963904.

The previous prime is 28259695271. The next prime is 28259695297.

It is a happy number.

28259695282 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×28259695282² (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 15 ways as a sum of consecutive naturals, for example, 155688 + ... + 284179.

It is an arithmetic number, because the mean of its divisors is an integer number (1634989356).

Almost surely, 2^28259695282 is an apocalyptic number.

28259695282 is a deficient number, since it is larger than the sum of its proper divisors (24059964110).

28259695282 is a wasteful number, since it uses less digits than its factorization.

28259695282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440242.

The product of its digits is 12441600, while the sum is 58.

The spelling of 28259695282 in words is "twenty-eight billion, two hundred fifty-nine million, six hundred ninety-five thousand, two hundred eighty-two".