506128285873847 has 24 divisors (see below), whose sum is σ = 661618246627296. Its totient is φ = 383042142762048.

The previous prime is 506128285873823. The next prime is 506128285873993. The reversal of 506128285873847 is 748378582821605.

It is not a de Polignac number, because 506128285873847 - 2⁸ = 506128285873591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506128281873847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17272809248 + ... + 17272838549.

It is an arithmetic number, because the mean of its divisors is an integer number (27567426942804).

Almost surely, 2^{506128285873847} is an apocalyptic number.

506128285873847 is a deficient number, since it is larger than the sum of its proper divisors (155489960753449).

506128285873847 is a wasteful number, since it uses less digits than its factorization.

506128285873847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545647847 (or 34545647840 counting only the distinct ones).

The product of its (nonzero) digits is 1445068800, while the sum is 74.

The spelling of 506128285873847 in words is "five hundred six trillion, one hundred twenty-eight billion, two hundred eighty-five million, eight hundred seventy-three thousand, eight hundred forty-seven".