47887146791 has 8 divisors (see below), whose sum is σ = 52242321168. Its totient is φ = 43532272000.

The previous prime is 47887146787. The next prime is 47887146799. The reversal of 47887146791 is 19764178874.

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 47887146791 - 2² = 47887146787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47887146799) 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, 378911 + ... + 489231.

It is an arithmetic number, because the mean of its divisors is an integer number (6530290146).

Almost surely, 2^47887146791 is an apocalyptic number.

47887146791 is a deficient number, since it is larger than the sum of its proper divisors (4355174377).

47887146791 is a wasteful number, since it uses less digits than its factorization.

47887146791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149793.

The product of its digits is 18966528, while the sum is 62.

The spelling of 47887146791 in words is "forty-seven billion, eight hundred eighty-seven million, one hundred forty-six thousand, seven hundred ninety-one".