522878976 has 160 divisors (see below), whose sum is σ = 1570087530. Its totient is φ = 173408256.

The previous prime is 522878969. The next prime is 522878977. The reversal of 522878976 is 679878225.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 298598400 + 224280576 = 17280^2 + 14976^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (522878977) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2654110 + ... + 2654306.

Almost surely, 2^522878976 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 522878976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785043765).

522878976 is an abundant number, since it is smaller than the sum of its proper divisors (1047208554).

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

522878976 is an frugal number, since it uses more digits than its factorization.

522878976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 202 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 522878976 is about 22866.5470939536. The cubic root of 522878976 is about 805.6264691201.

The spelling of 522878976 in words is "five hundred twenty-two million, eight hundred seventy-eight thousand, nine hundred seventy-six".