86306335421 has 2 divisors, whose sum is σ = 86306335422. Its totient is φ = 86306335420.

The previous prime is 86306335417. The next prime is 86306335477. The reversal of 86306335421 is 12453360368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82259976100 + 4046359321 = 286810^2 + 63611^2 .

It is a cyclic number.

It is not a de Polignac number, because 86306335421 - 2² = 86306335417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86306335121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43153167710 + 43153167711.

It is an arithmetic number, because the mean of its divisors is an integer number (43153167711).

Almost surely, 2^86306335421 is an apocalyptic number.

It is an amenable number.

86306335421 is a deficient number, since it is larger than the sum of its proper divisors (1).

86306335421 is an equidigital number, since it uses as much as digits as its factorization.

86306335421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 86306335421 its reverse (12453360368), we get a palindrome (98759695789).

The spelling of 86306335421 in words is "eighty-six billion, three hundred six million, three hundred thirty-five thousand, four hundred twenty-one".