880128585 has 80 divisors (see below), whose sum is σ = 1811120256. Its totient is φ = 400557312.

The previous prime is 880128563. The next prime is 880128589. The reversal of 880128585 is 585821088.

880128585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 880128585 - 2¹³ = 880120393 is a prime.

It is a super-2 number, since 2×880128585² = 1549252652268204450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 880128585.

It is not an unprimeable number, because it can be changed into a prime (880128589) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 801757 + ... + 802853.

Almost surely, 2^880128585 is an apocalyptic number.

It is an amenable number.

880128585 is an abundant number, since it is smaller than the sum of its proper divisors (930991671).

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

880128585 is a wasteful number, since it uses less digits than its factorization.

880128585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The square root of 880128585 is about 29666.9611689502. The cubic root of 880128585 is about 958.3306437396.

The spelling of 880128585 in words is "eight hundred eighty million, one hundred twenty-eight thousand, five hundred eighty-five".