1427987673759 has 32 divisors (see below), whose sum is σ = 2057315025600. Its totient is φ = 877787062272.

The previous prime is 1427987673733. The next prime is 1427987673769. The reversal of 1427987673759 is 9573767897241.

It is not a de Polignac number, because 1427987673759 - 2⁵ = 1427987673727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427987673769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732382 + ... + 1841835.

It is an arithmetic number, because the mean of its divisors is an integer number (64291094550).

Almost surely, 2^{1427987673759} is an apocalyptic number.

1427987673759 is a deficient number, since it is larger than the sum of its proper divisors (629327351841).

1427987673759 is a wasteful number, since it uses less digits than its factorization.

1427987673759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574459.

The product of its digits is 1120210560, while the sum is 75.

The spelling of 1427987673759 in words is "one trillion, four hundred twenty-seven billion, nine hundred eighty-seven million, six hundred seventy-three thousand, seven hundred fifty-nine".