3687884317487 has 2 divisors, whose sum is σ = 3687884317488. Its totient is φ = 3687884317486.

The previous prime is 3687884317423. The next prime is 3687884317493. The reversal of 3687884317487 is 7847134887863.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3687884317487 - 2⁶ = 3687884317423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687884314487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843942158743 + 1843942158744.

It is an arithmetic number, because the mean of its divisors is an integer number (1843942158744).

Almost surely, 2^{3687884317487} is an apocalyptic number.

3687884317487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687884317487 is an equidigital number, since it uses as much as digits as its factorization.

3687884317487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1213857792, while the sum is 74.

The spelling of 3687884317487 in words is "three trillion, six hundred eighty-seven billion, eight hundred eighty-four million, three hundred seventeen thousand, four hundred eighty-seven".