39347821360087 has 2 divisors, whose sum is σ = 39347821360088. Its totient is φ = 39347821360086.

The previous prime is 39347821360073. The next prime is 39347821360103. The reversal of 39347821360087 is 78006312874393.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39347821360087 - 2¹⁵ = 39347821327319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39347821367087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19673910680043 + 19673910680044.

It is an arithmetic number, because the mean of its divisors is an integer number (19673910680044).

Almost surely, 2^{39347821360087} is an apocalyptic number.

39347821360087 is a deficient number, since it is larger than the sum of its proper divisors (1).

39347821360087 is an equidigital number, since it uses as much as digits as its factorization.

39347821360087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 39347821360087 in words is "thirty-nine trillion, three hundred forty-seven billion, eight hundred twenty-one million, three hundred sixty thousand, eighty-seven".