86584679 has 2 divisors, whose sum is σ = 86584680. Its totient is φ = 86584678.

The previous prime is 86584651. The next prime is 86584717. The reversal of 86584679 is 97648568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86584679 - 2¹² = 86580583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86584679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86584609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43292339 + 43292340.

It is an arithmetic number, because the mean of its divisors is an integer number (43292340).

Almost surely, 2^86584679 is an apocalyptic number.

86584679 is a deficient number, since it is larger than the sum of its proper divisors (1).

86584679 is an equidigital number, since it uses as much as digits as its factorization.

86584679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 86584679 is about 9305.0888765234. The cubic root of 86584679 is about 442.3985386664.

The spelling of 86584679 in words is "eighty-six million, five hundred eighty-four thousand, six hundred seventy-nine".