47630217779 has 2 divisors, whose sum is σ = 47630217780. Its totient is φ = 47630217778.

The previous prime is 47630217757. The next prime is 47630217827. The reversal of 47630217779 is 97771203674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47630217779 - 2¹⁶ = 47630152243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47630217779.

It is not a weakly prime, because it can be changed into another prime (47630219779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23815108889 + 23815108890.

It is an arithmetic number, because the mean of its divisors is an integer number (23815108890).

Almost surely, 2^47630217779 is an apocalyptic number.

47630217779 is a deficient number, since it is larger than the sum of its proper divisors (1).

47630217779 is an equidigital number, since it uses as much as digits as its factorization.

47630217779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 53.

The spelling of 47630217779 in words is "forty-seven billion, six hundred thirty million, two hundred seventeen thousand, seven hundred seventy-nine".