47235876878147 has 4 divisors (see below), whose sum is σ = 48512522199216. Its totient is φ = 45959231557080.

The previous prime is 47235876878129. The next prime is 47235876878173. The reversal of 47235876878147 is 74187867853274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47235876878147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47235876878747) 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, 638322660479 + ... + 638322660552.

It is an arithmetic number, because the mean of its divisors is an integer number (12128130549804).

Almost surely, 2^{47235876878147} is an apocalyptic number.

47235876878147 is a deficient number, since it is larger than the sum of its proper divisors (1276645321069).

47235876878147 is a wasteful number, since it uses less digits than its factorization.

47235876878147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276645321068.

The product of its digits is 3540418560, while the sum is 77.

The spelling of 47235876878147 in words is "forty-seven trillion, two hundred thirty-five billion, eight hundred seventy-six million, eight hundred seventy-eight thousand, one hundred forty-seven".