50139784908 has 36 divisors (see below), whose sum is σ = 126755952960. Its totient is φ = 16711452576.

The previous prime is 50139784889. The next prime is 50139784909. The reversal of 50139784908 is 80948793105.

50139784908 is a `hidden beast` number, since 50 + 1 + 39 + 78 + 490 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (50139784909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285498 + ... + 426366.

Almost surely, 2^50139784908 is an apocalyptic number.

It is an amenable number.

50139784908 is an abundant number, since it is smaller than the sum of its proper divisors (76616168052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50139784908 is a wasteful number, since it uses less digits than its factorization.

50139784908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150766 (or 150761 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 50139784908 in words is "fifty billion, one hundred thirty-nine million, seven hundred eighty-four thousand, nine hundred eight".