86019679 has 2 divisors, whose sum is σ = 86019680. Its totient is φ = 86019678.

The previous prime is 86019671. The next prime is 86019683. The reversal of 86019679 is 97691068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86019679 - 2³ = 86019671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86019671) 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, 43009839 + 43009840.

It is an arithmetic number, because the mean of its divisors is an integer number (43009840).

Almost surely, 2^86019679 is an apocalyptic number.

86019679 is a deficient number, since it is larger than the sum of its proper divisors (1).

86019679 is an equidigital number, since it uses as much as digits as its factorization.

86019679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 86019679 is about 9274.6794553774. The cubic root of 86019679 is about 441.4341615849.

The spelling of 86019679 in words is "eighty-six million, nineteen thousand, six hundred seventy-nine".