80216736 has 24 divisors (see below), whose sum is σ = 210569184. Its totient is φ = 26738880.

The previous prime is 80216729. The next prime is 80216737. The reversal of 80216736 is 63761208.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 80216697 and 80216706.

It is not an unprimeable number, because it can be changed into a prime (80216737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417700 + ... + 417891.

It is an arithmetic number, because the mean of its divisors is an integer number (8773716).

Almost surely, 2^80216736 is an apocalyptic number.

It is an amenable number.

80216736 is an abundant number, since it is smaller than the sum of its proper divisors (130352448).

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

80216736 is a wasteful number, since it uses less digits than its factorization.

80216736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835604 (or 835596 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 80216736 is about 8956.3796257193. The cubic root of 80216736 is about 431.2757067642.

The spelling of 80216736 in words is "eighty million, two hundred sixteen thousand, seven hundred thirty-six".