80968889600 has 54 divisors (see below), whose sum is σ = 200410668990. Its totient is φ = 32387553280.

The previous prime is 80968889597. The next prime is 80968889621. The reversal of 80968889600 is 698886908.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22265414656 + 58703474944 = 149216^2 + 242288^2 .

It is a super-2 number, since 2×80968889600² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6319295 + ... + 6332094.

It is an arithmetic number, because the mean of its divisors is an integer number (3711308685).

Almost surely, 2^80968889600 is an apocalyptic number.

80968889600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80968889600 is an abundant number, since it is smaller than the sum of its proper divisors (119441779390).

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

80968889600 is a wasteful number, since it uses less digits than its factorization.

80968889600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12651415 (or 12651396 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 80968889600 in words is "eighty billion, nine hundred sixty-eight million, eight hundred eighty-nine thousand, six hundred".