80984009768 has 16 divisors (see below), whose sum is σ = 152615808180. Its totient is φ = 40286460928.

The previous prime is 80984009747. The next prime is 80984009809. The reversal of 80984009768 is 86790048908.

It can be written as a sum of positive squares in 2 ways, for example, as 80793514564 + 190495204 = 284242^2 + 13802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25691321 + ... + 25694472.

Almost surely, 2^80984009768 is an apocalyptic number.

It is an amenable number.

80984009768 is a deficient number, since it is larger than the sum of its proper divisors (71631798412).

80984009768 is a wasteful number, since it uses less digits than its factorization.

80984009768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51385996 (or 51385992 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 80984009768 in words is "eighty billion, nine hundred eighty-four million, nine thousand, seven hundred sixty-eight".