86320643503 has 2 divisors, whose sum is σ = 86320643504. Its totient is φ = 86320643502.

The previous prime is 86320643501. The next prime is 86320643531. The reversal of 86320643503 is 30534602368.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86320643503 - 2¹ = 86320643501 is a prime.

It is a super-2 number, since 2×86320643503² (a number of 23 digits) contains 22 as substring.

Together with 86320643501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86320643501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160321751 + 43160321752.

It is an arithmetic number, because the mean of its divisors is an integer number (43160321752).

Almost surely, 2^86320643503 is an apocalyptic number.

86320643503 is a deficient number, since it is larger than the sum of its proper divisors (1).

86320643503 is an equidigital number, since it uses as much as digits as its factorization.

86320643503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 86320643503 in words is "eighty-six billion, three hundred twenty million, six hundred forty-three thousand, five hundred three".