28147266382910 has 16 divisors (see below), whose sum is σ = 50680635298416. Its totient is φ = 11255449706688.

The previous prime is 28147266382891. The next prime is 28147266382919. The reversal of 28147266382910 is 1928366274182.

It is a self number, because there is not a number n which added to its sum of digits gives 28147266382910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28147266382919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432071612 + ... + 432136751.

It is an arithmetic number, because the mean of its divisors is an integer number (3167539706151).

Almost surely, 2^{28147266382910} is an apocalyptic number.

28147266382910 is a deficient number, since it is larger than the sum of its proper divisors (22533368915506).

28147266382910 is a wasteful number, since it uses less digits than its factorization.

28147266382910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864211627.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 28147266382910 in words is "twenty-eight trillion, one hundred forty-seven billion, two hundred sixty-six million, three hundred eighty-two thousand, nine hundred ten".