86387588851085 has 4 divisors (see below), whose sum is σ = 103665106621308. Its totient is φ = 69110071080864.

The previous prime is 86387588850989. The next prime is 86387588851117. The reversal of 86387588851085 is 58015888578368.

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 67967724016516 + 18419864834569 = 8244254^2 + 4291837^2 .

It is a cyclic number.

It is not a de Polignac number, because 86387588851085 - 2¹⁶ = 86387588785549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8638758885104 + ... + 8638758885113.

It is an arithmetic number, because the mean of its divisors is an integer number (25916276655327).

Almost surely, 2^{86387588851085} is an apocalyptic number.

It is an amenable number.

86387588851085 is a deficient number, since it is larger than the sum of its proper divisors (17277517770223).

86387588851085 is a wasteful number, since it uses less digits than its factorization.

86387588851085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17277517770222.

The product of its (nonzero) digits is 4128768000, while the sum is 80.

The spelling of 86387588851085 in words is "eighty-six trillion, three hundred eighty-seven billion, five hundred eighty-eight million, eight hundred fifty-one thousand, eighty-five".