12827019865 has 8 divisors (see below), whose sum is σ = 16791735168. Its totient is φ = 9328741680.

The previous prime is 12827019847. The next prime is 12827019869. The reversal of 12827019865 is 56891072821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12827019865 - 2¹⁷ = 12826888793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12827019869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116609217 + ... + 116609326.

It is an arithmetic number, because the mean of its divisors is an integer number (2098966896).

Almost surely, 2^12827019865 is an apocalyptic number.

It is an amenable number.

12827019865 is a deficient number, since it is larger than the sum of its proper divisors (3964715303).

12827019865 is a wasteful number, since it uses less digits than its factorization.

12827019865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233218559.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 12827019865 in words is "twelve billion, eight hundred twenty-seven million, nineteen thousand, eight hundred sixty-five".