86138359 has 2 divisors, whose sum is σ = 86138360. Its totient is φ = 86138358.

The previous prime is 86138347. The next prime is 86138369. The reversal of 86138359 is 95383168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86138359 - 2⁹ = 86137847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86138309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43069179 + 43069180.

It is an arithmetic number, because the mean of its divisors is an integer number (43069180).

Almost surely, 2^86138359 is an apocalyptic number.

86138359 is a deficient number, since it is larger than the sum of its proper divisors (1).

86138359 is an equidigital number, since it uses as much as digits as its factorization.

86138359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 86138359 is about 9281.0753148544. The cubic root of 86138359 is about 441.6370815514.

The spelling of 86138359 in words is "eighty-six million, one hundred thirty-eight thousand, three hundred fifty-nine".