80539067864 has 8 divisors (see below), whose sum is σ = 151010752260. Its totient is φ = 40269533928.

The previous prime is 80539067863. The next prime is 80539067941. The reversal of 80539067864 is 46876093508.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80539067863) by changing a digit.

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 as a sum of consecutive naturals, namely, 5033691734 + ... + 5033691749.

Almost surely, 2^80539067864 is an apocalyptic number.

It is an amenable number.

80539067864 is a deficient number, since it is larger than the sum of its proper divisors (70471684396).

80539067864 is a wasteful number, since it uses less digits than its factorization.

80539067864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067383489 (or 10067383485 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 80539067864 in words is "eighty billion, five hundred thirty-nine million, sixty-seven thousand, eight hundred sixty-four".