50778835377 has 16 divisors (see below), whose sum is σ = 71410268160. Its totient is φ = 32007066192.

The previous prime is 50778835343. The next prime is 50778835379. The reversal of 50778835377 is 77353887705.

It is a happy number.

It is not a de Polignac number, because 50778835377 - 2¹² = 50778831281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50778835377.

It is not an unprimeable number, because it can be changed into a prime (50778835379) 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 in 15 ways as a sum of consecutive naturals, for example, 856873 + ... + 914214.

It is an arithmetic number, because the mean of its divisors is an integer number (4463141760).

Almost surely, 2^50778835377 is an apocalyptic number.

50778835377 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

50778835377 is a deficient number, since it is larger than the sum of its proper divisors (20631432783).

50778835377 is a wasteful number, since it uses less digits than its factorization.

50778835377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771612.

The product of its (nonzero) digits is 34574400, while the sum is 60.

The spelling of 50778835377 in words is "fifty billion, seven hundred seventy-eight million, eight hundred thirty-five thousand, three hundred seventy-seven".