80128752 has 160 divisors (see below), whose sum is σ = 244270080. Its totient is φ = 22364160.

The previous prime is 80128751. The next prime is 80128753. The reversal of 80128752 is 25782108.

It is an interprime number because it is at equal distance from previous prime (80128751) and next prime (80128753).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80128751) 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 31 ways as a sum of consecutive naturals, for example, 709048 + ... + 709160.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^80128752 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 80128752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122135040).

80128752 is an abundant number, since it is smaller than the sum of its proper divisors (164141328).

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

80128752 is a wasteful number, since it uses less digits than its factorization.

80128752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

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

The square root of 80128752 is about 8951.4664720369. The cubic root of 80128752 is about 431.1179705887.

The spelling of 80128752 in words is "eighty million, one hundred twenty-eight thousand, seven hundred fifty-two".