2087256784 has 20 divisors (see below), whose sum is σ = 4174514560. Its totient is φ = 1009962720.

The previous prime is 2087256763. The next prime is 2087256791. The reversal of 2087256784 is 4876527802.

2087256784 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103594 + ... + 2104585.

It is an arithmetic number, because the mean of its divisors is an integer number (208725728).

Almost surely, 2^2087256784 is an apocalyptic number.

It is an amenable number.

2087256784 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2087256784 is a wasteful number, since it uses less digits than its factorization.

2087256784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208218 (or 4208212 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 2087256784 is about 45686.5054912279. The cubic root of 2087256784 is about 1277.9836384800.

The spelling of 2087256784 in words is "two billion, eighty-seven million, two hundred fifty-six thousand, seven hundred eighty-four".