47909931079 has 2 divisors, whose sum is σ = 47909931080. Its totient is φ = 47909931078.

The previous prime is 47909931007. The next prime is 47909931149. The reversal of 47909931079 is 97013990974.

47909931079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47909931079 - 2¹³ = 47909922887 is a prime.

It is a super-2 number, since 2×47909931079² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47909931379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23954965539 + 23954965540.

It is an arithmetic number, because the mean of its divisors is an integer number (23954965540).

Almost surely, 2^47909931079 is an apocalyptic number.

47909931079 is a deficient number, since it is larger than the sum of its proper divisors (1).

47909931079 is an equidigital number, since it uses as much as digits as its factorization.

47909931079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3857868, while the sum is 58.

The spelling of 47909931079 in words is "forty-seven billion, nine hundred nine million, nine hundred thirty-one thousand, seventy-nine".