80005716 has 36 divisors (see below), whose sum is σ = 231128352. Its totient is φ = 22858704.

The previous prime is 80005631. The next prime is 80005741. The reversal of 80005716 is 61750008.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80005716.

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 11 ways as a sum of consecutive naturals, for example, 158490 + ... + 158993.

It is an arithmetic number, because the mean of its divisors is an integer number (6420232).

Almost surely, 2^80005716 is an apocalyptic number.

It is an amenable number.

80005716 is an abundant number, since it is smaller than the sum of its proper divisors (151122636).

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

80005716 is a wasteful number, since it uses less digits than its factorization.

80005716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317500 (or 317495 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 80005716 is about 8944.5914384057. The cubic root of 80005716 is about 430.8972000525.

The spelling of 80005716 in words is "eighty million, five thousand, seven hundred sixteen".