509876840464774 has 16 divisors (see below), whose sum is σ = 769559430931200. Its totient is φ = 253357682686984.

The previous prime is 509876840464723. The next prime is 509876840464819. The reversal of 509876840464774 is 477464048678905.

It is a junction number, because it is equal to n+sod(n) for n = 509876840464694 and 509876840464703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161567944 + ... + 164693515.

It is an arithmetic number, because the mean of its divisors is an integer number (48097464433200).

Almost surely, 2^{509876840464774} is an apocalyptic number.

509876840464774 is a deficient number, since it is larger than the sum of its proper divisors (259682590466426).

509876840464774 is a wasteful number, since it uses less digits than its factorization.

509876840464774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326266307.

The product of its (nonzero) digits is 9103933440, while the sum is 79.

The spelling of 509876840464774 in words is "five hundred nine trillion, eight hundred seventy-six billion, eight hundred forty million, four hundred sixty-four thousand, seven hundred seventy-four".