28228810010263 has 4 divisors (see below), whose sum is σ = 28451084104960. Its totient is φ = 28006535915568.

The previous prime is 28228810010251. The next prime is 28228810010309. The reversal of 28228810010263 is 36201001882282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28228810010263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28228810011263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111137047158 + ... + 111137047411.

It is an arithmetic number, because the mean of its divisors is an integer number (7112771026240).

Almost surely, 2^{28228810010263} is an apocalyptic number.

28228810010263 is a deficient number, since it is larger than the sum of its proper divisors (222274094697).

28228810010263 is a wasteful number, since it uses less digits than its factorization.

28228810010263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222274094696.

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 28228810010263 in words is "twenty-eight trillion, two hundred twenty-eight billion, eight hundred ten million, ten thousand, two hundred sixty-three".