86420207 has 2 divisors, whose sum is σ = 86420208. Its totient is φ = 86420206.

The previous prime is 86420183. The next prime is 86420209. The reversal of 86420207 is 70202468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86420207 - 2⁸ = 86419951 is a prime.

Together with 86420209, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86420207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86420209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43210103 + 43210104.

It is an arithmetic number, because the mean of its divisors is an integer number (43210104).

Almost surely, 2^86420207 is an apocalyptic number.

86420207 is a deficient number, since it is larger than the sum of its proper divisors (1).

86420207 is an equidigital number, since it uses as much as digits as its factorization.

86420207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 86420207 is about 9296.2469308856. The cubic root of 86420207 is about 442.1182416062.

The spelling of 86420207 in words is "eighty-six million, four hundred twenty thousand, two hundred seven".