28457775482 has 8 divisors (see below), whose sum is σ = 42721742196. Its totient is φ = 14217194752.

The previous prime is 28457775457. The next prime is 28457775491.

It is a happy number.

28457775482 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 27439591201 + 1018184281 = 165649^2 + 31909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5843453 + ... + 5848320.

Almost surely, 2^28457775482 is an apocalyptic number.

28457775482 is a deficient number, since it is larger than the sum of its proper divisors (14263966714).

28457775482 is a wasteful number, since it uses less digits than its factorization.

28457775482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692992.

The product of its digits is 35123200, while the sum is 59.

The spelling of 28457775482 in words is "twenty-eight billion, four hundred fifty-seven million, seven hundred seventy-five thousand, four hundred eighty-two".