47870955779 has 2 divisors, whose sum is σ = 47870955780. Its totient is φ = 47870955778.

The previous prime is 47870955653. The next prime is 47870955827. The reversal of 47870955779 is 97755907874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47870955779 - 2⁸ = 47870955523 is a prime.

It is not a weakly prime, because it can be changed into another prime (47870955479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23935477889 + 23935477890.

It is an arithmetic number, because the mean of its divisors is an integer number (23935477890).

Almost surely, 2^47870955779 is an apocalyptic number.

47870955779 is a deficient number, since it is larger than the sum of its proper divisors (1).

47870955779 is an equidigital number, since it uses as much as digits as its factorization.

47870955779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155584800, while the sum is 68.

The spelling of 47870955779 in words is "forty-seven billion, eight hundred seventy million, nine hundred fifty-five thousand, seven hundred seventy-nine".