80571128 has 32 divisors (see below), whose sum is σ = 165179520. Its totient is φ = 36540000.

The previous prime is 80571119. The next prime is 80571133. The reversal of 80571128 is 82117508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80571094 and 80571103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54803 + ... + 56253.

It is an arithmetic number, because the mean of its divisors is an integer number (5161860).

Almost surely, 2^80571128 is an apocalyptic number.

80571128 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80571128 is an abundant number, since it is smaller than the sum of its proper divisors (84608392).

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

80571128 is a wasteful number, since it uses less digits than its factorization.

80571128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 80571128 is about 8976.1421557371. The cubic root of 80571128 is about 431.9098891841.

The spelling of 80571128 in words is "eighty million, five hundred seventy-one thousand, one hundred twenty-eight".