868080880 has 40 divisors (see below), whose sum is σ = 2031682464. Its totient is φ = 344928000.

The previous prime is 868080869. The next prime is 868080883. The reversal of 868080880 is 88080868.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 868080880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868080883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23851 + ... + 48010.

Almost surely, 2^868080880 is an apocalyptic number.

868080880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

868080880 is an abundant number, since it is smaller than the sum of its proper divisors (1163601584).

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

868080880 is a wasteful number, since it uses less digits than its factorization.

868080880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72025 (or 72019 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 46.

The square root of 868080880 is about 29463.2123163785. The cubic root of 868080880 is about 953.9378119316.

The spelling of 868080880 in words is "eight hundred sixty-eight million, eighty thousand, eight hundred eighty".