86525108317 has 4 divisors (see below), whose sum is σ = 88863624796. Its totient is φ = 84186591840.

The previous prime is 86525108279. The next prime is 86525108323. The reversal of 86525108317 is 71380152568.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33907171321 + 52617936996 = 184139^2 + 229386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86525108317 is a prime.

It is a super-3 number, since 3×86525108317³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86525100317) 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, 1169258184 + ... + 1169258257.

It is an arithmetic number, because the mean of its divisors is an integer number (22215906199).

Almost surely, 2^86525108317 is an apocalyptic number.

It is an amenable number.

86525108317 is a deficient number, since it is larger than the sum of its proper divisors (2338516479).

86525108317 is a wasteful number, since it uses less digits than its factorization.

86525108317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338516478.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 86525108317 in words is "eighty-six billion, five hundred twenty-five million, one hundred eight thousand, three hundred seventeen".