86682329 has 2 divisors, whose sum is σ = 86682330. Its totient is φ = 86682328.

The previous prime is 86682319. The next prime is 86682373. The reversal of 86682329 is 92328668.

It is an a-pointer prime, because the next prime (86682373) can be obtained adding 86682329 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 36626704 = 7075^2 + 6052^2 .

It is a cyclic number.

It is not a de Polignac number, because 86682329 - 2¹² = 86678233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86682329.

It is not a weakly prime, because it can be changed into another prime (86682319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43341164 + 43341165.

It is an arithmetic number, because the mean of its divisors is an integer number (43341165).

Almost surely, 2^86682329 is an apocalyptic number.

It is an amenable number.

86682329 is a deficient number, since it is larger than the sum of its proper divisors (1).

86682329 is an equidigital number, since it uses as much as digits as its factorization.

86682329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 86682329 is about 9310.3345267504. The cubic root of 86682329 is about 442.5647881984.

The spelling of 86682329 in words is "eighty-six million, six hundred eighty-two thousand, three hundred twenty-nine".