86165867 has 2 divisors, whose sum is σ = 86165868. Its totient is φ = 86165866.

The previous prime is 86165861. The next prime is 86165879. The reversal of 86165867 is 76856168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86165867 - 2⁶ = 86165803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86165861) 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, 43082933 + 43082934.

It is an arithmetic number, because the mean of its divisors is an integer number (43082934).

Almost surely, 2^86165867 is an apocalyptic number.

86165867 is a deficient number, since it is larger than the sum of its proper divisors (1).

86165867 is an equidigital number, since it uses as much as digits as its factorization.

86165867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 86165867 is about 9282.5571369101. The cubic root of 86165867 is about 441.6840883283.

The spelling of 86165867 in words is "eighty-six million, one hundred sixty-five thousand, eight hundred sixty-seven".