867648648 has 16 divisors (see below), whose sum is σ = 2169121680. Its totient is φ = 289216208.

The previous prime is 867648643. The next prime is 867648731. The reversal of 867648648 is 846846768.

It is not an unprimeable number, because it can be changed into a prime (867648643) 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, 18075990 + ... + 18076037.

It is an arithmetic number, because the mean of its divisors is an integer number (135570105).

Almost surely, 2^867648648 is an apocalyptic number.

It is an amenable number.

867648648 is an abundant number, since it is smaller than the sum of its proper divisors (1301473032).

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

867648648 is a wasteful number, since it uses less digits than its factorization.

867648648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36152036 (or 36152032 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The square root of 867648648 is about 29455.8762898000. The cubic root of 867648648 is about 953.7794584453.

The spelling of 867648648 in words is "eight hundred sixty-seven million, six hundred forty-eight thousand, six hundred forty-eight".