86688286906 has 8 divisors (see below), whose sum is σ = 140034925044. Its totient is φ = 40009978560.

The previous prime is 86688286849. The next prime is 86688286907. The reversal of 86688286906 is 60968288668.

It can be written as a sum of positive squares in 2 ways, for example, as 73671530625 + 13016756281 = 271425^2 + 114091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86688286907) 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, 1667082415 + ... + 1667082466.

Almost surely, 2^86688286906 is an apocalyptic number.

86688286906 is a deficient number, since it is larger than the sum of its proper divisors (53346638138).

86688286906 is a wasteful number, since it uses less digits than its factorization.

86688286906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334164896.

The product of its (nonzero) digits is 95551488, while the sum is 67.

The spelling of 86688286906 in words is "eighty-six billion, six hundred eighty-eight million, two hundred eighty-six thousand, nine hundred six".