80868648 has 64 divisors (see below), whose sum is σ = 232076160. Its totient is φ = 23003136.

The previous prime is 80868637. The next prime is 80868649. The reversal of 80868648 is 84686808.

It is a junction number, because it is equal to n+sod(n) for n = 80868597 and 80868606.

It is not an unprimeable number, because it can be changed into a prime (80868649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42240 + ... + 44112.

It is an arithmetic number, because the mean of its divisors is an integer number (3626190).

Almost surely, 2^80868648 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 80868648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116038080).

80868648 is an abundant number, since it is smaller than the sum of its proper divisors (151207512).

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

80868648 is a wasteful number, since it uses less digits than its factorization.

80868648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 80868648 is about 8992.6997058725. The cubic root of 80868648 is about 432.4408650926.

The spelling of 80868648 in words is "eighty million, eight hundred sixty-eight thousand, six hundred forty-eight".