50646480077 has 2 divisors, whose sum is σ = 50646480078. Its totient is φ = 50646480076.

The previous prime is 50646480043. The next prime is 50646480083. The reversal of 50646480077 is 77008464605.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45349406116 + 5297073961 = 212954^2 + 72781^2 .

It is a cyclic number.

It is not a de Polignac number, because 50646480077 - 2¹⁰ = 50646479053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50646480037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25323240038 + 25323240039.

It is an arithmetic number, because the mean of its divisors is an integer number (25323240039).

Almost surely, 2^50646480077 is an apocalyptic number.

It is an amenable number.

50646480077 is a deficient number, since it is larger than the sum of its proper divisors (1).

50646480077 is an equidigital number, since it uses as much as digits as its factorization.

50646480077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 50646480077 in words is "fifty billion, six hundred forty-six million, four hundred eighty thousand, seventy-seven".