3686773687 has 2 divisors, whose sum is σ = 3686773688. Its totient is φ = 3686773686.

The previous prime is 3686773681. The next prime is 3686773723. The reversal of 3686773687 is 7863776863.

It is a weak prime.

It is an emirp because it is prime and its reverse (7863776863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3686773687 - 2¹⁵ = 3686740919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3686773681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843386843 + 1843386844.

It is an arithmetic number, because the mean of its divisors is an integer number (1843386844).

Almost surely, 2^3686773687 is an apocalyptic number.

3686773687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686773687 is an equidigital number, since it uses as much as digits as its factorization.

3686773687 is an evil number, because the sum of its binary digits is even.

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

The square root of 3686773687 is about 60718.8083463436. The cubic root of 3686773687 is about 1544.8352113530.

The spelling of 3686773687 in words is "three billion, six hundred eighty-six million, seven hundred seventy-three thousand, six hundred eighty-seven".