47716831 has 2 divisors, whose sum is σ = 47716832. Its totient is φ = 47716830.

The previous prime is 47716829. The next prime is 47716873. The reversal of 47716831 is 13861774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47716831 - 2¹ = 47716829 is a prime.

It is a super-2 number, since 2×47716831² = 4553791921365122, which contains 22 as substring.

Together with 47716829, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47716811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23858415 + 23858416.

It is an arithmetic number, because the mean of its divisors is an integer number (23858416).

Almost surely, 2^47716831 is an apocalyptic number.

47716831 is a deficient number, since it is larger than the sum of its proper divisors (1).

47716831 is an equidigital number, since it uses as much as digits as its factorization.

47716831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 47716831 is about 6907.7370390020. The cubic root of 47716831 is about 362.7080527436.

It can be divided in two parts, 4771 and 6831, that multiplied together give a triangular number (32590701 = T₈₀₇₃).

The spelling of 47716831 in words is "forty-seven million, seven hundred sixteen thousand, eight hundred thirty-one".