3813231766 has 12 divisors (see below), whose sum is σ = 5878620468. Its totient is φ = 1855084392.

The previous prime is 3813231761. The next prime is 3813231781. The reversal of 3813231766 is 6671323183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813231761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693616 + ... + 699091.

It is an arithmetic number, because the mean of its divisors is an integer number (489885039).

Almost surely, 2^3813231766 is an apocalyptic number.

3813231766 is a deficient number, since it is larger than the sum of its proper divisors (2065388702).

3813231766 is a wasteful number, since it uses less digits than its factorization.

3813231766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392783 (or 1392746 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 3813231766 is about 61751.3705596888. The cubic root of 3813231766 is about 1562.2998848228.

The spelling of 3813231766 in words is "three billion, eight hundred thirteen million, two hundred thirty-one thousand, seven hundred sixty-six".