80816712 has 16 divisors (see below), whose sum is σ = 202041840. Its totient is φ = 26938896.

The previous prime is 80816683. The next prime is 80816713. The reversal of 80816712 is 21761808.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80816713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683658 + ... + 1683705.

It is an arithmetic number, because the mean of its divisors is an integer number (12627615).

Almost surely, 2^80816712 is an apocalyptic number.

It is an amenable number.

80816712 is an abundant number, since it is smaller than the sum of its proper divisors (121225128).

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

80816712 is a wasteful number, since it uses less digits than its factorization.

80816712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367372 (or 3367368 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 80816712 is about 8989.8115664345. The cubic root of 80816712 is about 432.3482702530.

The spelling of 80816712 in words is "eighty million, eight hundred sixteen thousand, seven hundred twelve".