80968961600 has 42 divisors (see below), whose sum is σ = 199234255074. Its totient is φ = 32387584000.

The previous prime is 80968961599. The next prime is 80968961617. The reversal of 80968961600 is 616986908.

It can be written as a sum of positive squares in 3 ways, for example, as 12839609344 + 68129352256 = 113312^2 + 261016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25301201 + ... + 25304400.

Almost surely, 2^80968961600 is an apocalyptic number.

80968961600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80968961600 is an abundant number, since it is smaller than the sum of its proper divisors (118265293474).

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

80968961600 is a wasteful number, since it uses less digits than its factorization.

80968961600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605623 (or 50605608 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 80968961600 in words is "eighty billion, nine hundred sixty-eight million, nine hundred sixty-one thousand, six hundred".