561763127877 has 8 divisors (see below), whose sum is σ = 856020004416. Its totient is φ = 321007501632.

The previous prime is 561763127869. The next prime is 561763127881. The reversal of 561763127877 is 778721367165.

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

It is not a de Polignac number, because 561763127877 - 2³ = 561763127869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561763127877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561763127897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13375312548 + ... + 13375312589.

It is an arithmetic number, because the mean of its divisors is an integer number (107002500552).

Almost surely, 2^561763127877 is an apocalyptic number.

It is an amenable number.

561763127877 is a deficient number, since it is larger than the sum of its proper divisors (294256876539).

561763127877 is a wasteful number, since it uses less digits than its factorization.

561763127877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26750625147.

The product of its digits is 20744640, while the sum is 60.

The spelling of 561763127877 in words is "five hundred sixty-one billion, seven hundred sixty-three million, one hundred twenty-seven thousand, eight hundred seventy-seven".