808080897764 has 24 divisors (see below), whose sum is σ = 1616181436800. Its totient is φ = 346316175936.

The previous prime is 808080897763. The next prime is 808080897779. The reversal of 808080897764 is 467798080808.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 808080897764.

It is not an unprimeable number, because it can be changed into a prime (808080897763) 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, 3582329 + ... + 3801215.

It is an arithmetic number, because the mean of its divisors is an integer number (67340893200).

Almost surely, 2^808080897764 is an apocalyptic number.

It is an amenable number.

808080897764 is an abundant number, since it is smaller than the sum of its proper divisors (808100539036).

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

808080897764 is a wasteful number, since it uses less digits than its factorization.

808080897764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350747 (or 350745 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 65.

The spelling of 808080897764 in words is "eight hundred eight billion, eighty million, eight hundred ninety-seven thousand, seven hundred sixty-four".