80945927912 has 16 divisors (see below), whose sum is σ = 153478937700. Its totient is φ = 40018211200.

The previous prime is 80945927891. The next prime is 80945927939. The reversal of 80945927912 is 21972954908.

It can be written as a sum of positive squares in 2 ways, for example, as 73954626916 + 6991300996 = 271946^2 + 83614^2 .

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, 56843339 + ... + 56844762.

Almost surely, 2^80945927912 is an apocalyptic number.

It is an amenable number.

80945927912 is a deficient number, since it is larger than the sum of its proper divisors (72533009788).

80945927912 is a wasteful number, since it uses less digits than its factorization.

80945927912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113688196 (or 113688192 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 80945927912 in words is "eighty billion, nine hundred forty-five million, nine hundred twenty-seven thousand, nine hundred twelve".