28263863036 has 12 divisors (see below), whose sum is σ = 50514138528. Its totient is φ = 13831252032.

The previous prime is 28263862987. The next prime is 28263863039. The reversal of 28263863036 is 63036836282.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28263863039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75169661 + ... + 75170036.

It is an arithmetic number, because the mean of its divisors is an integer number (4209511544).

Almost surely, 2^28263863036 is an apocalyptic number.

It is an amenable number.

28263863036 is a deficient number, since it is larger than the sum of its proper divisors (22250275492).

28263863036 is a wasteful number, since it uses less digits than its factorization.

28263863036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150339748 (or 150339746 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 28263863036 in words is "twenty-eight billion, two hundred sixty-three million, eight hundred sixty-three thousand, thirty-six".