1868332828287 has 8 divisors (see below), whose sum is σ = 2498968831536. Its totient is φ = 1241626021952.

The previous prime is 1868332828259. The next prime is 1868332828387. The reversal of 1868332828287 is 7828282338681.

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

It is a cyclic number.

It is not a de Polignac number, because 1868332828287 - 2³⁵ = 1833973089919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868332828217) 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 7 ways as a sum of consecutive naturals, for example, 982298118 + ... + 982300019.

It is an arithmetic number, because the mean of its divisors is an integer number (312371103942).

Almost surely, 2^{1868332828287} is an apocalyptic number.

1868332828287 is a deficient number, since it is larger than the sum of its proper divisors (630636003249).

1868332828287 is a wasteful number, since it uses less digits than its factorization.

1868332828287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964598457.

The product of its digits is 99090432, while the sum is 66.

The spelling of 1868332828287 in words is "one trillion, eight hundred sixty-eight billion, three hundred thirty-two million, eight hundred twenty-eight thousand, two hundred eighty-seven".