512327921870 has 8 divisors (see below), whose sum is σ = 922190259384. Its totient is φ = 204931168744.

The previous prime is 512327921857. The next prime is 512327921879. The reversal of 512327921870 is 78129723215.

It is a happy number.

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

It is a super-6 number, since 6×512327921870⁶ (a number of 72 digits) contains 666666 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512327921879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25616396084 + ... + 25616396103.

It is an arithmetic number, because the mean of its divisors is an integer number (115273782423).

Almost surely, 2^512327921870 is an apocalyptic number.

512327921870 is a deficient number, since it is larger than the sum of its proper divisors (409862337514).

512327921870 is a wasteful number, since it uses less digits than its factorization.

512327921870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51232792194.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 512327921870 in words is "five hundred twelve billion, three hundred twenty-seven million, nine hundred twenty-one thousand, eight hundred seventy".