4087786064 has 10 divisors (see below), whose sum is σ = 7920085530. Its totient is φ = 2043893024.

The previous prime is 4087786061. The next prime is 4087786069. The reversal of 4087786064 is 4606877804.

4087786064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3703939600 + 383846464 = 60860^2 + 19592^2 .

It is a super-2 number, since 2×4087786064² = 33419989810065224192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087786061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127743299 + ... + 127743330.

It is an arithmetic number, because the mean of its divisors is an integer number (792008553).

Almost surely, 2^4087786064 is an apocalyptic number.

It is an amenable number.

4087786064 is a deficient number, since it is larger than the sum of its proper divisors (3832299466).

4087786064 is a wasteful number, since it uses less digits than its factorization.

4087786064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255486637 (or 255486631 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 4087786064 is about 63935.7964210973. The cubic root of 4087786064 is about 1598.9297613612.

The spelling of 4087786064 in words is "four billion, eighty-seven million, seven hundred eighty-six thousand, sixty-four".