86605319 has 2 divisors, whose sum is σ = 86605320. Its totient is φ = 86605318.

The previous prime is 86605307. The next prime is 86605403. The reversal of 86605319 is 91350668.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86605319 is a prime.

It is a super-2 number, since 2×86605319² = 15000962558183522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86605219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43302659 + 43302660.

It is an arithmetic number, because the mean of its divisors is an integer number (43302660).

Almost surely, 2^86605319 is an apocalyptic number.

86605319 is a deficient number, since it is larger than the sum of its proper divisors (1).

86605319 is an equidigital number, since it uses as much as digits as its factorization.

86605319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 86605319 is about 9306.1978809823. The cubic root of 86605319 is about 442.4336887664.

The spelling of 86605319 in words is "eighty-six million, six hundred five thousand, three hundred nineteen".