500877721325 has 6 divisors (see below), whose sum is σ = 621088374474. Its totient is φ = 400702177040.

The previous prime is 500877721321. The next prime is 500877721339. The reversal of 500877721325 is 523127778005.

It can be written as a sum of positive squares in 3 ways, for example, as 150523824676 + 350353896649 = 387974^2 + 591907^2 .

It is not a de Polignac number, because 500877721325 - 2² = 500877721321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500877721325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500877721321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10017554402 + ... + 10017554451.

It is an arithmetic number, because the mean of its divisors is an integer number (103514729079).

Almost surely, 2^500877721325 is an apocalyptic number.

It is an amenable number.

500877721325 is a deficient number, since it is larger than the sum of its proper divisors (120210653149).

500877721325 is a wasteful number, since it uses less digits than its factorization.

500877721325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035108863 (or 20035108858 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 500877721325 in words is "five hundred billion, eight hundred seventy-seven million, seven hundred twenty-one thousand, three hundred twenty-five".