50666077663 has 4 divisors (see below), whose sum is σ = 50828991408. Its totient is φ = 50503163920.

The previous prime is 50666077621. The next prime is 50666077669. The reversal of 50666077663 is 36677066605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50666077663 - 2¹³ = 50666069471 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 50666077663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50666077669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81456406 + ... + 81457027.

It is an arithmetic number, because the mean of its divisors is an integer number (12707247852).

Almost surely, 2^50666077663 is an apocalyptic number.

50666077663 is a deficient number, since it is larger than the sum of its proper divisors (162913745).

50666077663 is a wasteful number, since it uses less digits than its factorization.

50666077663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162913744.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 50666077663 in words is "fifty billion, six hundred sixty-six million, seventy-seven thousand, six hundred sixty-three".