5050782757861 has 8 divisors (see below), whose sum is σ = 5080679692920. Its totient is φ = 5020893888192.

The previous prime is 5050782757849. The next prime is 5050782757879. The reversal of 5050782757861 is 1687572870505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 819760024836 + 4231022733025 = 905406^2 + 2056945^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5050782757861 - 2²³ = 5050774369253 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 5050782757861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5050782757831) 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, 757866 + ... + 3267403.

It is an arithmetic number, because the mean of its divisors is an integer number (635084961615).

Almost surely, 2^{5050782757861} is an apocalyptic number.

It is an amenable number.

5050782757861 is a deficient number, since it is larger than the sum of its proper divisors (29896935059).

5050782757861 is a wasteful number, since it uses less digits than its factorization.

5050782757861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032695.

The product of its (nonzero) digits is 32928000, while the sum is 61.

The spelling of 5050782757861 in words is "five trillion, fifty billion, seven hundred eighty-two million, seven hundred fifty-seven thousand, eight hundred sixty-one".