80811708 has 12 divisors (see below), whose sum is σ = 188560680. Its totient is φ = 26937232.

The previous prime is 80811701. The next prime is 80811743. The reversal of 80811708 is 80711808.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80811701) 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 in 3 ways as a sum of consecutive naturals, for example, 3367143 + ... + 3367166.

It is an arithmetic number, because the mean of its divisors is an integer number (15713390).

Almost surely, 2^80811708 is an apocalyptic number.

It is an amenable number.

80811708 is an abundant number, since it is smaller than the sum of its proper divisors (107748972).

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

80811708 is a wasteful number, since it uses less digits than its factorization.

80811708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734316 (or 6734314 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 33.

The square root of 80811708 is about 8989.5332470602. The cubic root of 80811708 is about 432.3393467051.

The spelling of 80811708 in words is "eighty million, eight hundred eleven thousand, seven hundred eight".