28384147562 has 16 divisors (see below), whose sum is σ = 44437590792. Its totient is φ = 13584679680.

The previous prime is 28384147543. The next prime is 28384147567. The reversal of 28384147562 is 26574148382.

It can be written as a sum of positive squares in 4 ways, for example, as 23158448041 + 5225699521 = 152179^2 + 72289^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28384147562.

It is not an unprimeable number, because it can be changed into a prime (28384147567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261203 + ... + 3269894.

Almost surely, 2^28384147562 is an apocalyptic number.

28384147562 is a deficient number, since it is larger than the sum of its proper divisors (16053443230).

28384147562 is a wasteful number, since it uses less digits than its factorization.

28384147562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531193.

The product of its digits is 2580480, while the sum is 50.

The spelling of 28384147562 in words is "twenty-eight billion, three hundred eighty-four million, one hundred forty-seven thousand, five hundred sixty-two".