2087967235809 has 96 divisors (see below), whose sum is σ = 3674056095360. Its totient is φ = 1042554240000.

The previous prime is 2087967235801. The next prime is 2087967235813. The reversal of 2087967235809 is 9085327697802.

It is not a de Polignac number, because 2087967235809 - 2³ = 2087967235801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2087967235809.

It is not an unprimeable number, because it can be changed into a prime (2087967235801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47215909 + ... + 47260109.

It is an arithmetic number, because the mean of its divisors is an integer number (38271417660).

Almost surely, 2^{2087967235809} is an apocalyptic number.

It is an amenable number.

2087967235809 is a deficient number, since it is larger than the sum of its proper divisors (1586088859551).

2087967235809 is a wasteful number, since it uses less digits than its factorization.

2087967235809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45551 (or 45544 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 2087967235809 in words is "two trillion, eighty-seven billion, nine hundred sixty-seven million, two hundred thirty-five thousand, eight hundred nine".