3786867673 has 2 divisors, whose sum is σ = 3786867674. Its totient is φ = 3786867672.

The previous prime is 3786867661. The next prime is 3786867703. The reversal of 3786867673 is 3767686873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3785694784 + 1172889 = 61528^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 3786867673 - 2¹⁷ = 3786736601 is a prime.

It is not a weakly prime, because it can be changed into another prime (3786837673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893433836 + 1893433837.

It is an arithmetic number, because the mean of its divisors is an integer number (1893433837).

Almost surely, 2^3786867673 is an apocalyptic number.

It is an amenable number.

3786867673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3786867673 is an equidigital number, since it uses as much as digits as its factorization.

3786867673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 61.

The square root of 3786867673 is about 61537.5306053143. The cubic root of 3786867673 is about 1558.6910553405.

The spelling of 3786867673 in words is "three billion, seven hundred eighty-six million, eight hundred sixty-seven thousand, six hundred seventy-three".