47860041991 has 4 divisors (see below), whose sum is σ = 48036647584. Its totient is φ = 47683436400.

The previous prime is 47860041989. The next prime is 47860042031. The reversal of 47860041991 is 19914006874.

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 47860041991 - 2¹ = 47860041989 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 (47860048991) 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, 88302390 + ... + 88302931.

It is an arithmetic number, because the mean of its divisors is an integer number (12009161896).

Almost surely, 2^47860041991 is an apocalyptic number.

47860041991 is a deficient number, since it is larger than the sum of its proper divisors (176605593).

47860041991 is a wasteful number, since it uses less digits than its factorization.

47860041991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176605592.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 47860041991 in words is "forty-seven billion, eight hundred sixty million, forty-one thousand, nine hundred ninety-one".