52271406779 has 2 divisors, whose sum is σ = 52271406780. Its totient is φ = 52271406778.

The previous prime is 52271406767. The next prime is 52271406809. The reversal of 52271406779 is 97760417225.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52271406779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (52271406709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26135703389 + 26135703390.

It is an arithmetic number, because the mean of its divisors is an integer number (26135703390).

Almost surely, 2^52271406779 is an apocalyptic number.

52271406779 is a deficient number, since it is larger than the sum of its proper divisors (1).

52271406779 is an equidigital number, since it uses as much as digits as its factorization.

52271406779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 52271406779 in words is "fifty-two billion, two hundred seventy-one million, four hundred six thousand, seven hundred seventy-nine".