86251256867117 has 8 divisors (see below), whose sum is σ = 86733443311200. Its totient is φ = 85769074155024.

The previous prime is 86251256867081. The next prime is 86251256867123. The reversal of 86251256867117 is 71176865215268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86251256867117 - 2⁴⁴ = 68659070822701 is a prime.

It is a super-2 number, since 2×86251256867117² (a number of 29 digits) contains 22 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 (86251256867317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54646934 + ... + 56203112.

It is an arithmetic number, because the mean of its divisors is an integer number (10841680413900).

Almost surely, 2^{86251256867117} is an apocalyptic number.

It is an amenable number.

86251256867117 is a deficient number, since it is larger than the sum of its proper divisors (482186444083).

86251256867117 is a wasteful number, since it uses less digits than its factorization.

86251256867117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865995.

The product of its digits is 67737600, while the sum is 65.

The spelling of 86251256867117 in words is "eighty-six trillion, two hundred fifty-one billion, two hundred fifty-six million, eight hundred sixty-seven thousand, one hundred seventeen".