50705117987 has 8 divisors (see below), whose sum is σ = 51020849376. Its totient is φ = 50389531072.

The previous prime is 50705117963. The next prime is 50705118001. The reversal of 50705117987 is 78971150705.

50705117987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50705117987 - 2⁸ = 50705117731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50705117887) 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, 716543 + ... + 784119.

It is an arithmetic number, because the mean of its divisors is an integer number (6377606172).

Almost surely, 2^50705117987 is an apocalyptic number.

50705117987 is a deficient number, since it is larger than the sum of its proper divisors (315731389).

50705117987 is a wasteful number, since it uses less digits than its factorization.

50705117987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72237.

The product of its (nonzero) digits is 617400, while the sum is 50.

The spelling of 50705117987 in words is "fifty billion, seven hundred five million, one hundred seventeen thousand, nine hundred eighty-seven".