80218752 has 64 divisors (see below), whose sum is σ = 214077600. Its totient is φ = 26614784.

The previous prime is 80218739. The next prime is 80218757. The reversal of 80218752 is 25781208.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (80218757) 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 7 ways as a sum of consecutive naturals, for example, 121399 + ... + 122057.

Almost surely, 2^80218752 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 80218752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107038800).

80218752 is an abundant number, since it is smaller than the sum of its proper divisors (133858848).

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

80218752 is a wasteful number, since it uses less digits than its factorization.

80218752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 80218752 is about 8956.4921704873. The cubic root of 80218752 is about 431.2793196617.

The spelling of 80218752 in words is "eighty million, two hundred eighteen thousand, seven hundred fifty-two".