50720546879 has 2 divisors, whose sum is σ = 50720546880. Its totient is φ = 50720546878.

The previous prime is 50720546827. The next prime is 50720546893. The reversal of 50720546879 is 97864502705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50720546879 - 2¹² = 50720542783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50720546879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50720566879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25360273439 + 25360273440.

It is an arithmetic number, because the mean of its divisors is an integer number (25360273440).

Almost surely, 2^50720546879 is an apocalyptic number.

50720546879 is a deficient number, since it is larger than the sum of its proper divisors (1).

50720546879 is an equidigital number, since it uses as much as digits as its factorization.

50720546879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 50720546879 in words is "fifty billion, seven hundred twenty million, five hundred forty-six thousand, eight hundred seventy-nine".