516879753970 has 32 divisors (see below), whose sum is σ = 986088654000. Its totient is φ = 194397106176.

The previous prime is 516879753893. The next prime is 516879754007. The reversal of 516879753970 is 79357978615.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 399157340521 + 117722413449 = 631789^2 + 343107^2 .

It is a junction number, because it is equal to n+sod(n) for n = 516879753896 and 516879753905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335145 + ... + 1678204.

Almost surely, 2^516879753970 is an apocalyptic number.

516879753970 is a deficient number, since it is larger than the sum of its proper divisors (469208900030).

516879753970 is a wasteful number, since it uses less digits than its factorization.

516879753970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014382.

The product of its (nonzero) digits is 100018800, while the sum is 67.

The spelling of 516879753970 in words is "five hundred sixteen billion, eight hundred seventy-nine million, seven hundred fifty-three thousand, nine hundred seventy".