50000000947 has 4 divisors (see below), whose sum is σ = 53846154880. Its totient is φ = 46153847016.

The previous prime is 50000000933. The next prime is 50000000951. The reversal of 50000000947 is 74900000005.

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 50000000947 - 2²³ = 49991612339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50000000977) 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, 1923076947 + ... + 1923076972.

It is an arithmetic number, because the mean of its divisors is an integer number (13461538720).

Almost surely, 2^50000000947 is an apocalyptic number.

50000000947 is a deficient number, since it is larger than the sum of its proper divisors (3846153933).

50000000947 is a wasteful number, since it uses less digits than its factorization.

50000000947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846153932.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 50000000947 in words is "fifty billion, nine hundred forty-seven", and thus it is an aban number.