2087774666 has 16 divisors (see below), whose sum is σ = 3161951424. Its totient is φ = 1033806144.

The previous prime is 2087774659. The next prime is 2087774681. The reversal of 2087774666 is 6664777802.

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 7 ways as a sum of consecutive naturals, for example, 345725 + ... + 351711.

It is an arithmetic number, because the mean of its divisors is an integer number (197621964).

Almost surely, 2^2087774666 is an apocalyptic number.

2087774666 is a deficient number, since it is larger than the sum of its proper divisors (1074176758).

2087774666 is a wasteful number, since it uses less digits than its factorization.

2087774666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The square root of 2087774666 is about 45692.1729183457. The cubic root of 2087774666 is about 1278.0893258424.

The spelling of 2087774666 in words is "two billion, eighty-seven million, seven hundred seventy-four thousand, six hundred sixty-six".