28556465582 has 4 divisors (see below), whose sum is σ = 42834698376. Its totient is φ = 14278232790.

The previous prime is 28556465563. The next prime is 28556465599.

28556465582 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7139116394 + ... + 7139116397.

It is an arithmetic number, because the mean of its divisors is an integer number (10708674594).

Almost surely, 2^28556465582 is an apocalyptic number.

28556465582 is a deficient number, since it is larger than the sum of its proper divisors (14278232794).

28556465582 is a wasteful number, since it uses less digits than its factorization.

28556465582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14278232793.

The product of its digits is 23040000, while the sum is 56.

The spelling of 28556465582 in words is "twenty-eight billion, five hundred fifty-six million, four hundred sixty-five thousand, five hundred eighty-two".