80730985528 has 16 divisors (see below), whose sum is σ = 152840216880. Its totient is φ = 39973594368.

The previous prime is 80730985471. The next prime is 80730985537. The reversal of 80730985528 is 82558903708.

It is a congruent number.

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, 48986425 + ... + 48988072.

It is an arithmetic number, because the mean of its divisors is an integer number (9552513555).

Almost surely, 2^80730985528 is an apocalyptic number.

It is an amenable number.

80730985528 is a deficient number, since it is larger than the sum of its proper divisors (72109231352).

80730985528 is a wasteful number, since it uses less digits than its factorization.

80730985528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97974606 (or 97974602 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 80730985528 in words is "eighty billion, seven hundred thirty million, nine hundred eighty-five thousand, five hundred twenty-eight".