3687687607 has 2 divisors, whose sum is σ = 3687687608. Its totient is φ = 3687687606.

The previous prime is 3687687551. The next prime is 3687687643. The reversal of 3687687607 is 7067867863.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3687687607 - 2²⁷ = 3553469879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687687307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843843803 + 1843843804.

It is an arithmetic number, because the mean of its divisors is an integer number (1843843804).

Almost surely, 2^3687687607 is an apocalyptic number.

3687687607 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687687607 is an equidigital number, since it uses as much as digits as its factorization.

3687687607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 58.

The square root of 3687687607 is about 60726.3337194005. Note that the first 3 decimals coincide. The cubic root of 3687687607 is about 1544.9628513322.

The spelling of 3687687607 in words is "three billion, six hundred eighty-seven million, six hundred eighty-seven thousand, six hundred seven".