47706474889 has 2 divisors, whose sum is σ = 47706474890. Its totient is φ = 47706474888.

The previous prime is 47706474869. The next prime is 47706474931. The reversal of 47706474889 is 98847460774.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41000175225 + 6706299664 = 202485^2 + 81892^2 .

It is a cyclic number.

It is not a de Polignac number, because 47706474889 - 2²³ = 47698086281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47706474889.

It is not a weakly prime, because it can be changed into another prime (47706474869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23853237444 + 23853237445.

It is an arithmetic number, because the mean of its divisors is an integer number (23853237445).

Almost surely, 2^47706474889 is an apocalyptic number.

It is an amenable number.

47706474889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47706474889 is an equidigital number, since it uses as much as digits as its factorization.

47706474889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 47706474889 in words is "forty-seven billion, seven hundred six million, four hundred seventy-four thousand, eight hundred eighty-nine".