3766565825 has 12 divisors (see below), whose sum is σ = 5095136688. Its totient is φ = 2739320400.

The previous prime is 3766565821. The next prime is 3766565839. The reversal of 3766565825 is 5285656673.

It is not a de Polignac number, because 3766565825 - 2² = 3766565821 is a prime.

It is a super-2 number, since 2×3766565825² = 28374036228115861250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3766565821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6848027 + ... + 6848576.

It is an arithmetic number, because the mean of its divisors is an integer number (424594724).

Almost surely, 2^3766565825 is an apocalyptic number.

It is an amenable number.

3766565825 is a deficient number, since it is larger than the sum of its proper divisors (1328570863).

3766565825 is a wasteful number, since it uses less digits than its factorization.

3766565825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13696624 (or 13696619 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The square root of 3766565825 is about 61372.3539144459. The cubic root of 3766565825 is about 1555.9006200530.

The spelling of 3766565825 in words is "three billion, seven hundred sixty-six million, five hundred sixty-five thousand, eight hundred twenty-five".