47397758839 has 2 divisors, whose sum is σ = 47397758840. Its totient is φ = 47397758838.

The previous prime is 47397758813. The next prime is 47397758857. The reversal of 47397758839 is 93885779374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47397758839 - 2⁷ = 47397758711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47397788839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23698879419 + 23698879420.

It is an arithmetic number, because the mean of its divisors is an integer number (23698879420).

Almost surely, 2^47397758839 is an apocalyptic number.

47397758839 is a deficient number, since it is larger than the sum of its proper divisors (1).

47397758839 is an equidigital number, since it uses as much as digits as its factorization.

47397758839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320060160, while the sum is 70.

The spelling of 47397758839 in words is "forty-seven billion, three hundred ninety-seven million, seven hundred fifty-eight thousand, eight hundred thirty-nine".