281863960027 has 12 divisors (see below), whose sum is σ = 305557896240. Its totient is φ = 259888650528.

The previous prime is 281863959913. The next prime is 281863960057. The reversal of 281863960027 is 720069368182.

It is a de Polignac number, because none of the positive numbers 2^k-281863960027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281863960057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790252 + ... + 1090057.

It is an arithmetic number, because the mean of its divisors is an integer number (25463158020).

Almost surely, 2^281863960027 is an apocalyptic number.

281863960027 is a deficient number, since it is larger than the sum of its proper divisors (23693936213).

281863960027 is a wasteful number, since it uses less digits than its factorization.

281863960027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881222 (or 1881209 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 281863960027 in words is "two hundred eighty-one billion, eight hundred sixty-three million, nine hundred sixty thousand, twenty-seven".