512871798 has 8 divisors (see below), whose sum is σ = 1025743608. Its totient is φ = 170957264.

The previous prime is 512871797. The next prime is 512871803. The reversal of 512871798 is 897178215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

512871798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512871797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42739311 + ... + 42739322.

It is an arithmetic number, because the mean of its divisors is an integer number (128217951).

Almost surely, 2^512871798 is an apocalyptic number.

512871798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

512871798 is a wasteful number, since it uses less digits than its factorization.

512871798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85478638.

The product of its digits is 282240, while the sum is 48.

The square root of 512871798 is about 22646.6730006860. The cubic root of 512871798 is about 800.4538039871.

The spelling of 512871798 in words is "five hundred twelve million, eight hundred seventy-one thousand, seven hundred ninety-eight".