50428579879 has 2 divisors, whose sum is σ = 50428579880. Its totient is φ = 50428579878.

The previous prime is 50428579849. The next prime is 50428579907. The reversal of 50428579879 is 97897582405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50428579879 - 2¹¹ = 50428577831 is a prime.

It is a super-2 number, since 2×50428579879² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50428579879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50428579819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25214289939 + 25214289940.

It is an arithmetic number, because the mean of its divisors is an integer number (25214289940).

Almost surely, 2^50428579879 is an apocalyptic number.

50428579879 is a deficient number, since it is larger than the sum of its proper divisors (1).

50428579879 is an equidigital number, since it uses as much as digits as its factorization.

50428579879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 50428579879 in words is "fifty billion, four hundred twenty-eight million, five hundred seventy-nine thousand, eight hundred seventy-nine".