80268916868 has 12 divisors (see below), whose sum is σ = 160537833792. Its totient is φ = 34400964360.

The previous prime is 80268916867. The next prime is 80268916873. The reversal of 80268916868 is 86861986208.

80268916868 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 80268916868.

It is not an unprimeable number, because it can be changed into a prime (80268916867) 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, 1433373488 + ... + 1433373543.

It is an arithmetic number, because the mean of its divisors is an integer number (13378152816).

Almost surely, 2^80268916868 is an apocalyptic number.

It is an amenable number.

80268916868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80268916868 is a wasteful number, since it uses less digits than its factorization.

80268916868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866747042 (or 2866747040 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 80268916868 in words is "eighty billion, two hundred sixty-eight million, nine hundred sixteen thousand, eight hundred sixty-eight".