86346917 has 2 divisors, whose sum is σ = 86346918. Its totient is φ = 86346916.

The previous prime is 86346907. The next prime is 86347013. The reversal of 86346917 is 71964368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78872161 + 7474756 = 8881^2 + 2734^2 .

It is a cyclic number.

It is not a de Polignac number, because 86346917 - 2⁴ = 86346901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86346907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43173458 + 43173459.

It is an arithmetic number, because the mean of its divisors is an integer number (43173459).

Almost surely, 2^86346917 is an apocalyptic number.

It is an amenable number.

86346917 is a deficient number, since it is larger than the sum of its proper divisors (1).

86346917 is an equidigital number, since it uses as much as digits as its factorization.

86346917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 86346917 is about 9292.3041814181. The cubic root of 86346917 is about 441.9932245093.

It can be divided in two parts, 8634 and 6917, that added together give a palindrome (15551).

The spelling of 86346917 in words is "eighty-six million, three hundred forty-six thousand, nine hundred seventeen".