47915805871 has 2 divisors, whose sum is σ = 47915805872. Its totient is φ = 47915805870.

The previous prime is 47915805869. The next prime is 47915805911. The reversal of 47915805871 is 17850851974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47915805871 - 2¹ = 47915805869 is a prime.

Together with 47915805869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47915805071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23957902935 + 23957902936.

It is an arithmetic number, because the mean of its divisors is an integer number (23957902936).

Almost surely, 2^47915805871 is an apocalyptic number.

47915805871 is a deficient number, since it is larger than the sum of its proper divisors (1).

47915805871 is an equidigital number, since it uses as much as digits as its factorization.

47915805871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 55.

The spelling of 47915805871 in words is "forty-seven billion, nine hundred fifteen million, eight hundred five thousand, eight hundred seventy-one".