86633320 has 32 divisors (see below), whose sum is σ = 196360200. Its totient is φ = 34398208.

The previous prime is 86633303. The next prime is 86633321. The reversal of 86633320 is 2333668.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49252324 + 37380996 = 7018^2 + 6114^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (86633321) 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, 2425 + ... + 13384.

Almost surely, 2^86633320 is an apocalyptic number.

It is an amenable number.

86633320 is an abundant number, since it is smaller than the sum of its proper divisors (109726880).

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

86633320 is a wasteful number, since it uses less digits than its factorization.

86633320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957 (or 15953 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 86633320 is about 9307.7021868988. The cubic root of 86633320 is about 442.4813657873.

Adding to 86633320 its reverse (2333668), we get a palindrome (88966988).

The spelling of 86633320 in words is "eighty-six million, six hundred thirty-three thousand, three hundred twenty".