80859716 has 12 divisors (see below), whose sum is σ = 161719488. Its totient is φ = 34654152.

The previous prime is 80859707. The next prime is 80859761. The reversal of 80859716 is 61795808.

It is a happy number.

80859716 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1443896 + ... + 1443951.

It is an arithmetic number, because the mean of its divisors is an integer number (13476624).

Almost surely, 2^80859716 is an apocalyptic number.

It is an amenable number.

80859716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80859716 is a wasteful number, since it uses less digits than its factorization.

80859716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887858 (or 2887856 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 80859716 is about 8992.2030671021. The cubic root of 80859716 is about 432.4249433721.

The spelling of 80859716 in words is "eighty million, eight hundred fifty-nine thousand, seven hundred sixteen".