28547474582 has 24 divisors (see below), whose sum is σ = 47076631056. Its totient is φ = 12973730000.

The previous prime is 28547474471. The next prime is 28547474617.

28547474582 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2450732 + ... + 2462352.

It is an arithmetic number, because the mean of its divisors is an integer number (1961526294).

Almost surely, 2^28547474582 is an apocalyptic number.

28547474582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28547474582 is a deficient number, since it is larger than the sum of its proper divisors (18529156474).

28547474582 is a wasteful number, since it uses less digits than its factorization.

28547474582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796 (or 21785 counting only the distinct ones).

The product of its digits is 20070400, while the sum is 56.

The spelling of 28547474582 in words is "twenty-eight billion, five hundred forty-seven million, four hundred seventy-four thousand, five hundred eighty-two".