47878203049 has 2 divisors, whose sum is σ = 47878203050. Its totient is φ = 47878203048.

The previous prime is 47878203031. The next prime is 47878203089. The reversal of 47878203049 is 94030287874.

47878203049 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., 44296779024 + 3581424025 = 210468^2 + 59845^2 .

It is a cyclic number.

It is not a de Polignac number, because 47878203049 - 2⁵ = 47878203017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47878202987 and 47878203005.

It is not a weakly prime, because it can be changed into another prime (47878203089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23939101524 + 23939101525.

It is an arithmetic number, because the mean of its divisors is an integer number (23939101525).

Almost surely, 2^47878203049 is an apocalyptic number.

It is an amenable number.

47878203049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47878203049 is an equidigital number, since it uses as much as digits as its factorization.

47878203049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 47878203049 in words is "forty-seven billion, eight hundred seventy-eight million, two hundred three thousand, forty-nine".