86389559 has 2 divisors, whose sum is σ = 86389560. Its totient is φ = 86389558.

The previous prime is 86389547. The next prime is 86389573. The reversal of 86389559 is 95598368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86389559 - 2¹² = 86385463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86389559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86389759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43194779 + 43194780.

It is an arithmetic number, because the mean of its divisors is an integer number (43194780).

Almost surely, 2^86389559 is an apocalyptic number.

86389559 is a deficient number, since it is larger than the sum of its proper divisors (1).

86389559 is an equidigital number, since it uses as much as digits as its factorization.

86389559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The square root of 86389559 is about 9294.5983775524. The cubic root of 86389559 is about 442.0659712617.

The spelling of 86389559 in words is "eighty-six million, three hundred eighty-nine thousand, five hundred fifty-nine".