86329013 has 2 divisors, whose sum is σ = 86329014. Its totient is φ = 86329012.

The previous prime is 86328973. The next prime is 86329073. The reversal of 86329013 is 31092368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70946929 + 15382084 = 8423^2 + 3922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86329013 is a prime.

It is a super-3 number, since 3×86329013³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86329073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164506 + 43164507.

It is an arithmetic number, because the mean of its divisors is an integer number (43164507).

Almost surely, 2^86329013 is an apocalyptic number.

It is an amenable number.

86329013 is a deficient number, since it is larger than the sum of its proper divisors (1).

86329013 is an equidigital number, since it uses as much as digits as its factorization.

86329013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 86329013 is about 9291.3407536265. The cubic root of 86329013 is about 441.9626733560.

The spelling of 86329013 in words is "eighty-six million, three hundred twenty-nine thousand, thirteen".