3816786765 has 16 divisors (see below), whose sum is σ = 6662028096. Its totient is φ = 1850563200.

The previous prime is 3816786761. The next prime is 3816786793. The reversal of 3816786765 is 5676876183.

It is not a de Polignac number, because 3816786765 - 2² = 3816786761 is a prime.

It is a super-2 number, since 2×3816786765² = 29135722418958330450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816786761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11565856 + ... + 11566185.

It is an arithmetic number, because the mean of its divisors is an integer number (416376756).

Almost surely, 2^3816786765 is an apocalyptic number.

It is an amenable number.

3816786765 is a deficient number, since it is larger than the sum of its proper divisors (2845241331).

3816786765 is a wasteful number, since it uses less digits than its factorization.

3816786765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23132060.

The product of its digits is 10160640, while the sum is 57.

The square root of 3816786765 is about 61780.1486320647. The cubic root of 3816786765 is about 1562.7852342420.

The spelling of 3816786765 in words is "three billion, eight hundred sixteen million, seven hundred eighty-six thousand, seven hundred sixty-five".