528809880 has 32 divisors (see below), whose sum is σ = 1586430000. Its totient is φ = 141015936.

The previous prime is 528809807. The next prime is 528809887. The reversal of 528809880 is 88908825.

It is a super-2 number, since 2×528809880² = 559279778371228800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528809887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2203255 + ... + 2203494.

Almost surely, 2^528809880 is an apocalyptic number.

It is an amenable number.

528809880 is an abundant number, since it is smaller than the sum of its proper divisors (1057620120).

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

528809880 is a wasteful number, since it uses less digits than its factorization.

528809880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406763 (or 4406759 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 528809880 is about 22995.8665851061. The cubic root of 528809880 is about 808.6610404235.

The spelling of 528809880 in words is "five hundred twenty-eight million, eight hundred nine thousand, eight hundred eighty".