86008008285581 has 4 divisors (see below), whose sum is σ = 86314086607164. Its totient is φ = 85701929964000.

The previous prime is 86008008285469. The next prime is 86008008285707. The reversal of 86008008285581 is 18558280080068.

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 40548940518025 + 45459067767556 = 6367805^2 + 6742334^2 .

It is a cyclic number.

It is not a de Polignac number, because 86008008285581 - 2²² = 86008004091277 is a prime.

It is a super-3 number, since 3×86008008285581³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86008008285581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86008008785581) 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, 153039160370 + ... + 153039160931.

It is an arithmetic number, because the mean of its divisors is an integer number (21578521651791).

Almost surely, 2^{86008008285581} is an apocalyptic number.

It is an amenable number.

86008008285581 is a deficient number, since it is larger than the sum of its proper divisors (306078321583).

86008008285581 is a wasteful number, since it uses less digits than its factorization.

86008008285581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306078321582.

The product of its (nonzero) digits is 9830400, while the sum is 59.

The spelling of 86008008285581 in words is "eighty-six trillion, eight billion, eight million, two hundred eighty-five thousand, five hundred eighty-one".