27728413263 has 16 divisors (see below), whose sum is σ = 41087080800. Its totient is φ = 18482031360.

The previous prime is 27728413247. The next prime is 27728413289. The reversal of 27728413263 is 36231482772.

It is not a de Polignac number, because 27728413263 - 2⁴ = 27728413247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728423263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46623 + ... + 240063.

It is an arithmetic number, because the mean of its divisors is an integer number (2567942550).

Almost surely, 2^27728413263 is an apocalyptic number.

27728413263 is a deficient number, since it is larger than the sum of its proper divisors (13358667537).

27728413263 is a wasteful number, since it uses less digits than its factorization.

27728413263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198759 (or 198753 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 27728413263 in words is "twenty-seven billion, seven hundred twenty-eight million, four hundred thirteen thousand, two hundred sixty-three".