80336536 has 64 divisors (see below), whose sum is σ = 177914880. Its totient is φ = 33296640.

The previous prime is 80336533. The next prime is 80336537. The reversal of 80336536 is 63563308.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80336533) 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 15 ways as a sum of consecutive naturals, for example, 344676 + ... + 344908.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 2^80336536 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 80336536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88957440).

80336536 is an abundant number, since it is smaller than the sum of its proper divisors (97578344).

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

80336536 is a wasteful number, since it uses less digits than its factorization.

80336536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 80336536 is about 8963.0651007342. The cubic root of 80336536 is about 431.4902967732.

The spelling of 80336536 in words is "eighty million, three hundred thirty-six thousand, five hundred thirty-six".