522878880 has 96 divisors (see below), whose sum is σ = 1668038400. Its totient is φ = 137659392.

The previous prime is 522878831. The next prime is 522878893. The reversal of 522878880 is 88878225.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 31026 + ... + 44814.

It is an arithmetic number, because the mean of its divisors is an integer number (17375400).

Almost surely, 2^522878880 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 522878880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834019200).

522878880 is an abundant number, since it is smaller than the sum of its proper divisors (1145159520).

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

522878880 is a wasteful number, since it uses less digits than its factorization.

522878880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13886 (or 13878 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 522878880 is about 22866.5449948172. The cubic root of 522878880 is about 805.6264198160.

The spelling of 522878880 in words is "five hundred twenty-two million, eight hundred seventy-eight thousand, eight hundred eighty".