86663320 has 32 divisors (see below), whose sum is σ = 195372000. Its totient is φ = 34597888.

The previous prime is 86663267. The next prime is 86663329. The reversal of 86663320 is 2336668.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86663329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22152 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (6105375).

Almost surely, 2^86663320 is an apocalyptic number.

It is an amenable number.

86663320 is an abundant number, since it is smaller than the sum of its proper divisors (108708680).

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

86663320 is a wasteful number, since it uses less digits than its factorization.

86663320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227 (or 4223 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 86663320 is about 9309.3136159440. The cubic root of 86663320 is about 442.5324350872.

Adding to 86663320 its reverse (2336668), we get a palindrome (88999988).

The spelling of 86663320 in words is "eighty-six million, six hundred sixty-three thousand, three hundred twenty".