1587986799259 has 4 divisors (see below), whose sum is σ = 1814842056304. Its totient is φ = 1361131542216.

The previous prime is 1587986799253. The next prime is 1587986799367. The reversal of 1587986799259 is 9529976897851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1587986799259 - 2¹⁷ = 1587986668187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1587986799253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113427628512 + ... + 113427628525.

It is an arithmetic number, because the mean of its divisors is an integer number (453710514076).

Almost surely, 2^{1587986799259} is an apocalyptic number.

1587986799259 is a deficient number, since it is larger than the sum of its proper divisors (226855257045).

1587986799259 is an equidigital number, since it uses as much as digits as its factorization.

1587986799259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226855257044.

The product of its digits is 6172588800, while the sum is 85.

The spelling of 1587986799259 in words is "one trillion, five hundred eighty-seven billion, nine hundred eighty-six million, seven hundred ninety-nine thousand, two hundred fifty-nine".