86256188217816 has 32 divisors (see below), whose sum is σ = 216590428578240. Its totient is φ = 28625401668128.

The previous prime is 86256188217767. The next prime is 86256188217847. The reversal of 86256188217816 is 61871288165268.

It is a super-3 number, since 3×86256188217816³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7916311386 + ... + 7916322281.

It is an arithmetic number, because the mean of its divisors is an integer number (6768450893070).

Almost surely, 2^{86256188217816} is an apocalyptic number.

It is an amenable number.

86256188217816 is an abundant number, since it is smaller than the sum of its proper divisors (130334240360424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86256188217816 is a wasteful number, since it uses less digits than its factorization.

86256188217816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832633903 (or 15832633899 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 69.

The spelling of 86256188217816 in words is "eighty-six trillion, two hundred fifty-six billion, one hundred eighty-eight million, two hundred seventeen thousand, eight hundred sixteen".