86213436851 has 2 divisors, whose sum is σ = 86213436852. Its totient is φ = 86213436850.

The previous prime is 86213436811. The next prime is 86213436901. The reversal of 86213436851 is 15863431268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86213436851 - 2¹⁴ = 86213420467 is a prime.

It is a super-2 number, since 2×86213436851² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86213436796 and 86213436805.

It is not a weakly prime, because it can be changed into another prime (86213436811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43106718425 + 43106718426.

It is an arithmetic number, because the mean of its divisors is an integer number (43106718426).

Almost surely, 2^86213436851 is an apocalyptic number.

86213436851 is a deficient number, since it is larger than the sum of its proper divisors (1).

86213436851 is an equidigital number, since it uses as much as digits as its factorization.

86213436851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The spelling of 86213436851 in words is "eighty-six billion, two hundred thirteen million, four hundred thirty-six thousand, eight hundred fifty-one".