80782557504 has 112 divisors (see below), whose sum is σ = 238590612480. Its totient is φ = 23910243840.

The previous prime is 80782557437. The next prime is 80782557593. The reversal of 80782557504 is 40575528708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353944 + ... + 535575.

Almost surely, 2^80782557504 is an apocalyptic number.

It is an amenable number.

80782557504 is an abundant number, since it is smaller than the sum of its proper divisors (157808054976).

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

80782557504 is a wasteful number, since it uses less digits than its factorization.

80782557504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889588 (or 889578 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 51.

The spelling of 80782557504 in words is "eighty billion, seven hundred eighty-two million, five hundred fifty-seven thousand, five hundred four".