528808780 has 12 divisors (see below), whose sum is σ = 1110498480. Its totient is φ = 211523504.

The previous prime is 528808769. The next prime is 528808793. The reversal of 528808780 is 87808825.

It is a self number, because there is not a number n which added to its sum of digits gives 528808780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13220200 + ... + 13220239.

It is an arithmetic number, because the mean of its divisors is an integer number (92541540).

Almost surely, 2^528808780 is an apocalyptic number.

It is an amenable number.

528808780 is an abundant number, since it is smaller than the sum of its proper divisors (581689700).

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

528808780 is a wasteful number, since it uses less digits than its factorization.

528808780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26440448 (or 26440446 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 46.

The square root of 528808780 is about 22995.8426677519. The cubic root of 528808780 is about 808.6604797130.

The spelling of 528808780 in words is "five hundred twenty-eight million, eight hundred eight thousand, seven hundred eighty".