520878396976 has 40 divisors (see below), whose sum is σ = 1153425774240. Its totient is φ = 223223499264.

The previous prime is 520878396953. The next prime is 520878396977. The reversal of 520878396976 is 679693878025.

It is not an unprimeable number, because it can be changed into a prime (520878396977) 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, 2718210 + ... + 2903518.

It is an arithmetic number, because the mean of its divisors is an integer number (28835644356).

Almost surely, 2^520878396976 is an apocalyptic number.

520878396976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

520878396976 is an abundant number, since it is smaller than the sum of its proper divisors (632547377264).

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

520878396976 is a wasteful number, since it uses less digits than its factorization.

520878396976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210421 (or 210415 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 70.

The spelling of 520878396976 in words is "five hundred twenty billion, eight hundred seventy-eight million, three hundred ninety-six thousand, nine hundred seventy-six".