86663268 has 54 divisors (see below), whose sum is σ = 223537314. Its totient is φ = 28309632.

The previous prime is 86663267. The next prime is 86663329. The reversal of 86663268 is 86236668.

It can be written as a sum of positive squares in 3 ways, for example, as 51236964 + 35426304 = 7158^2 + 5952^2 .

It is not an unprimeable number, because it can be changed into a prime (86663261) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100696 + ... + 101552.

Almost surely, 2^86663268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86663268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111768657).

86663268 is an abundant number, since it is smaller than the sum of its proper divisors (136874046).

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

86663268 is a wasteful number, since it uses less digits than its factorization.

86663268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 915 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 86663268 is about 9309.3108230416. The cubic root of 86663268 is about 442.5323465773.

The spelling of 86663268 in words is "eighty-six million, six hundred sixty-three thousand, two hundred sixty-eight".