86504597 has 4 divisors (see below), whose sum is σ = 86591340. Its totient is φ = 86417856.

The previous prime is 86504591. The next prime is 86504603. The reversal of 86504597 is 79540568.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86504591) and next prime (86504603).

It can be written as a sum of positive squares in 2 ways, for example, as 51351556 + 35153041 = 7166^2 + 5929^2 .

It is a cyclic number.

It is not a de Polignac number, because 86504597 - 2¹⁶ = 86439061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86504591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41858 + ... + 43875.

It is an arithmetic number, because the mean of its divisors is an integer number (21647835).

Almost surely, 2^86504597 is an apocalyptic number.

It is an amenable number.

86504597 is a deficient number, since it is larger than the sum of its proper divisors (86743).

86504597 is a wasteful number, since it uses less digits than its factorization.

86504597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86742.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 86504597 is about 9300.7847518368. The cubic root of 86504597 is about 442.2621054148.

The spelling of 86504597 in words is "eighty-six million, five hundred four thousand, five hundred ninety-seven".