3866076605 has 16 divisors (see below), whose sum is σ = 4739849904. Its totient is φ = 3026350080.

The previous prime is 3866076589. The next prime is 3866076629. The reversal of 3866076605 is 5066706683.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1597840729 + 2268235876 = 39973^2 + 47626^2 .

It is not a de Polignac number, because 3866076605 - 2⁴ = 3866076589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3866076605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26027 + ... + 91703.

It is an arithmetic number, because the mean of its divisors is an integer number (296240619).

Almost surely, 2^3866076605 is an apocalyptic number.

It is an amenable number.

3866076605 is a deficient number, since it is larger than the sum of its proper divisors (873773299).

3866076605 is a wasteful number, since it uses less digits than its factorization.

3866076605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65936.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 3866076605 is about 62177.7822457508. The cubic root of 3866076605 is about 1569.4837315600.

The spelling of 3866076605 in words is "three billion, eight hundred sixty-six million, seventy-six thousand, six hundred five".