80495128 has 64 divisors (see below), whose sum is σ = 180740160. Its totient is φ = 32887296.

The previous prime is 80495123. The next prime is 80495131. The reversal of 80495128 is 82159408.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80495123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109450 + ... + 110182.

It is an arithmetic number, because the mean of its divisors is an integer number (2824065).

Almost surely, 2^80495128 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 80495128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90370080).

80495128 is an abundant number, since it is smaller than the sum of its proper divisors (100245032).

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

80495128 is a wasteful number, since it uses less digits than its factorization.

80495128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 80495128 is about 8971.9077124099. The cubic root of 80495128 is about 431.7740445014.

The spelling of 80495128 in words is "eighty million, four hundred ninety-five thousand, one hundred twenty-eight".