4087666856 has 32 divisors (see below), whose sum is σ = 9433079040. Its totient is φ = 1617098688.

The previous prime is 4087666837. The next prime is 4087666907. The reversal of 4087666856 is 6586667804.

It is a happy number.

4087666856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806736 + ... + 2808191.

It is an arithmetic number, because the mean of its divisors is an integer number (294783720).

Almost surely, 2^4087666856 is an apocalyptic number.

It is an amenable number.

4087666856 is an abundant number, since it is smaller than the sum of its proper divisors (5345412184).

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

4087666856 is a wasteful number, since it uses less digits than its factorization.

4087666856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614953 (or 5614949 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The square root of 4087666856 is about 63934.8641665875. The cubic root of 4087666856 is about 1598.9142185492.

The spelling of 4087666856 in words is "four billion, eighty-seven million, six hundred sixty-six thousand, eight hundred fifty-six".