2087995765 has 16 divisors (see below), whose sum is σ = 2537256960. Its totient is φ = 1649418880.

The previous prime is 2087995751. The next prime is 2087995771. The reversal of 2087995765 is 5675997802.

It is not a de Polignac number, because 2087995765 - 2¹¹ = 2087993717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122856 + ... + 138814.

It is an arithmetic number, because the mean of its divisors is an integer number (158578560).

Almost surely, 2^2087995765 is an apocalyptic number.

It is an amenable number.

2087995765 is a deficient number, since it is larger than the sum of its proper divisors (449261195).

2087995765 is a wasteful number, since it uses less digits than its factorization.

2087995765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16292.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The square root of 2087995765 is about 45694.5922949314. The cubic root of 2087995765 is about 1278.1344415504.

The spelling of 2087995765 in words is "two billion, eighty-seven million, nine hundred ninety-five thousand, seven hundred sixty-five".