47348480477 has 2 divisors, whose sum is σ = 47348480478. Its totient is φ = 47348480476.

The previous prime is 47348480471. The next prime is 47348480489. The reversal of 47348480477 is 77408484374.

47348480477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37809246916 + 9539233561 = 194446^2 + 97669^2 .

It is a cyclic number.

It is not a de Polignac number, because 47348480477 - 2²⁴ = 47331703261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47348480471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23674240238 + 23674240239.

It is an arithmetic number, because the mean of its divisors is an integer number (23674240239).

Almost surely, 2^47348480477 is an apocalyptic number.

It is an amenable number.

47348480477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47348480477 is an equidigital number, since it uses as much as digits as its factorization.

47348480477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16859136, while the sum is 56.

The spelling of 47348480477 in words is "forty-seven billion, three hundred forty-eight million, four hundred eighty thousand, four hundred seventy-seven".