86347013 has 2 divisors, whose sum is σ = 86347014. Its totient is φ = 86347012.

The previous prime is 86346917. The next prime is 86347043. The reversal of 86347013 is 31074368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67354849 + 18992164 = 8207^2 + 4358^2 .

It is a cyclic number.

It is not a de Polignac number, because 86347013 - 2¹² = 86342917 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 (86347043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43173506 + 43173507.

It is an arithmetic number, because the mean of its divisors is an integer number (43173507).

Almost surely, 2^86347013 is an apocalyptic number.

It is an amenable number.

86347013 is a deficient number, since it is larger than the sum of its proper divisors (1).

86347013 is an equidigital number, since it uses as much as digits as its factorization.

86347013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 86347013 is about 9292.3093469815. The cubic root of 86347013 is about 441.9933883111.

The spelling of 86347013 in words is "eighty-six million, three hundred forty-seven thousand, thirteen".