50778115607 has 2 divisors, whose sum is σ = 50778115608. Its totient is φ = 50778115606.

The previous prime is 50778115573. The next prime is 50778115627. The reversal of 50778115607 is 70651187705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50778115607 - 2³⁰ = 49704373783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50778115627) 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, 25389057803 + 25389057804.

It is an arithmetic number, because the mean of its divisors is an integer number (25389057804).

Almost surely, 2^50778115607 is an apocalyptic number.

50778115607 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778115607 is an equidigital number, since it uses as much as digits as its factorization.

50778115607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 50778115607 in words is "fifty billion, seven hundred seventy-eight million, one hundred fifteen thousand, six hundred seven".