3688471082987 has 2 divisors, whose sum is σ = 3688471082988. Its totient is φ = 3688471082986.

The previous prime is 3688471082983. The next prime is 3688471083023. The reversal of 3688471082987 is 7892801748863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3688471082987 - 2² = 3688471082983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3688471082987.

It is not a weakly prime, because it can be changed into another prime (3688471082983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844235541493 + 1844235541494.

It is an arithmetic number, because the mean of its divisors is an integer number (1844235541494).

Almost surely, 2^{3688471082987} is an apocalyptic number.

3688471082987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688471082987 is an equidigital number, since it uses as much as digits as its factorization.

3688471082987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 260112384, while the sum is 71.

The spelling of 3688471082987 in words is "three trillion, six hundred eighty-eight billion, four hundred seventy-one million, eighty-two thousand, nine hundred eighty-seven".