86358593 has 2 divisors, whose sum is σ = 86358594. Its totient is φ = 86358592.

The previous prime is 86358581. The next prime is 86358617. The reversal of 86358593 is 39585368.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86248369 + 110224 = 9287^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 86358593 - 2¹² = 86354497 is a prime.

It is not a weakly prime, because it can be changed into another prime (86358533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43179296 + 43179297.

It is an arithmetic number, because the mean of its divisors is an integer number (43179297).

Almost surely, 2^86358593 is an apocalyptic number.

It is an amenable number.

86358593 is a deficient number, since it is larger than the sum of its proper divisors (1).

86358593 is an equidigital number, since it uses as much as digits as its factorization.

86358593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 86358593 is about 9292.9324220076. The cubic root of 86358593 is about 442.0131460092.

The spelling of 86358593 in words is "eighty-six million, three hundred fifty-eight thousand, five hundred ninety-three".