80147712 has 72 divisors (see below), whose sum is σ = 216173440. Its totient is φ = 26357760.

The previous prime is 80147659. The next prime is 80147723. The reversal of 80147712 is 21774108.

It is a self number, because there is not a number n which added to its sum of digits gives 80147712.

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 7 ways as a sum of consecutive naturals, for example, 60012 + ... + 61332.

Almost surely, 2^80147712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80147712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108086720).

80147712 is an abundant number, since it is smaller than the sum of its proper divisors (136025728).

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

80147712 is a wasteful number, since it uses less digits than its factorization.

80147712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 80147712 is about 8952.5254537477. The cubic root of 80147712 is about 431.1519715014.

The spelling of 80147712 in words is "eighty million, one hundred forty-seven thousand, seven hundred twelve".