865348151315987 has 2 divisors, whose sum is σ = 865348151315988. Its totient is φ = 865348151315986.

The previous prime is 865348151315983. The next prime is 865348151316029. The reversal of 865348151315987 is 789513151843568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 865348151315987 - 2² = 865348151315983 is a prime.

It is not a weakly prime, because it can be changed into another prime (865348151315983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432674075657993 + 432674075657994.

It is an arithmetic number, because the mean of its divisors is an integer number (432674075657994).

Almost surely, 2^{865348151315987} is an apocalyptic number.

865348151315987 is a deficient number, since it is larger than the sum of its proper divisors (1).

865348151315987 is an equidigital number, since it uses as much as digits as its factorization.

865348151315987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912000, while the sum is 74.

The spelling of 865348151315987 in words is "eight hundred sixty-five trillion, three hundred forty-eight billion, one hundred fifty-one million, three hundred fifteen thousand, nine hundred eighty-seven".