516871847844 has 135 divisors (see below), whose sum is σ = 1485618069243. Its totient is φ = 156584696400.

The previous prime is 516871847827. The next prime is 516871847879. The reversal of 516871847844 is 448748178615.

The square root of 516871847844 is 718938.

It is a perfect power (a square), and thus also a powerful number.

516871847844 is a `hidden beast` number, since 51 + 6 + 8 + 71 + 8 + 478 + 44 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 142347909 + ... + 142351539.

Almost surely, 2^516871847844 is an apocalyptic number.

516871847844 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

516871847844 is the 718938-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516871847844

516871847844 is an abundant number, since it is smaller than the sum of its proper divisors (968746221399).

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

516871847844 is an equidigital number, since it uses as much as digits as its factorization.

516871847844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300 (or 3647 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 63.

The spelling of 516871847844 in words is "five hundred sixteen billion, eight hundred seventy-one million, eight hundred forty-seven thousand, eight hundred forty-four".