86354591 has 2 divisors, whose sum is σ = 86354592. Its totient is φ = 86354590.

The previous prime is 86354573. The next prime is 86354603. The reversal of 86354591 is 19545368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86354591 - 2¹⁰ = 86353567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86254591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43177295 + 43177296.

It is an arithmetic number, because the mean of its divisors is an integer number (43177296).

Almost surely, 2^86354591 is an apocalyptic number.

86354591 is a deficient number, since it is larger than the sum of its proper divisors (1).

86354591 is an equidigital number, since it uses as much as digits as its factorization.

86354591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 86354591 is about 9292.7170945854. The cubic root of 86354591 is about 442.0063180304.

The spelling of 86354591 in words is "eighty-six million, three hundred fifty-four thousand, five hundred ninety-one".