2847471871 has 2 divisors, whose sum is σ = 2847471872. Its totient is φ = 2847471870.

The previous prime is 2847471857. The next prime is 2847471877. The reversal of 2847471871 is 1781747482.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2847471871 - 2¹⁵ = 2847439103 is a prime.

It is a super-2 number, since 2×2847471871² = 16216192112272481282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2847471877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423735935 + 1423735936.

It is an arithmetic number, because the mean of its divisors is an integer number (1423735936).

Almost surely, 2^2847471871 is an apocalyptic number.

2847471871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847471871 is an equidigital number, since it uses as much as digits as its factorization.

2847471871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 702464, while the sum is 49.

The square root of 2847471871 is about 53361.7079093239. The cubic root of 2847471871 is about 1417.3805891321.

The spelling of 2847471871 in words is "two billion, eight hundred forty-seven million, four hundred seventy-one thousand, eight hundred seventy-one".