28862015586244 has 27 divisors (see below), whose sum is σ = 50582513123751. Its totient is φ = 14409899877120.

The previous prime is 28862015586221. The next prime is 28862015586247. The reversal of 28862015586244 is 44268551026882.

The square root of 28862015586244 is 5372338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14971188424644 + 13890827161600 = 3869262^2 + 3727040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28862015586247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9466058032 + ... + 9466061080.

Almost surely, 2^{28862015586244} is an apocalyptic number.

28862015586244 is the 5372338-th square number.

It is an amenable number.

28862015586244 is a deficient number, since it is larger than the sum of its proper divisors (21720497537507).

28862015586244 is an frugal number, since it uses more digits than its factorization.

28862015586244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 61.

The spelling of 28862015586244 in words is "twenty-eight trillion, eight hundred sixty-two billion, fifteen million, five hundred eighty-six thousand, two hundred forty-four".