47891876237 has 2 divisors, whose sum is σ = 47891876238. Its totient is φ = 47891876236.

The previous prime is 47891876233. The next prime is 47891876239. The reversal of 47891876237 is 73267819874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44599526596 + 3292349641 = 211186^2 + 57379^2 .

It is a cyclic number.

It is not a de Polignac number, because 47891876237 - 2² = 47891876233 is a prime.

Together with 47891876239, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47891876237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47891876233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23945938118 + 23945938119.

It is an arithmetic number, because the mean of its divisors is an integer number (23945938119).

Almost surely, 2^47891876237 is an apocalyptic number.

It is an amenable number.

47891876237 is a deficient number, since it is larger than the sum of its proper divisors (1).

47891876237 is an equidigital number, since it uses as much as digits as its factorization.

47891876237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 62.

The spelling of 47891876237 in words is "forty-seven billion, eight hundred ninety-one million, eight hundred seventy-six thousand, two hundred thirty-seven".