512797860 has 144 divisors (see below), whose sum is σ = 1663998336. Its totient is φ = 127374336.

The previous prime is 512797799. The next prime is 512797867. The reversal of 512797860 is 68797215.

512797860 is a `hidden beast` number, since 512 + 7 + 9 + 78 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (512797867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314367 + ... + 315993.

It is an arithmetic number, because the mean of its divisors is an integer number (11555544).

Almost surely, 2^512797860 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 512797860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831999168).

512797860 is an abundant number, since it is smaller than the sum of its proper divisors (1151200476).

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

512797860 is a wasteful number, since it uses less digits than its factorization.

512797860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 512797860 is about 22645.0405166341. The cubic root of 512797860 is about 800.4153364156.

The spelling of 512797860 in words is "five hundred twelve million, seven hundred ninety-seven thousand, eight hundred sixty".