50779659399 has 32 divisors (see below), whose sum is σ = 82033422336. Its totient is φ = 27321960960.

The previous prime is 50779659383. The next prime is 50779659401. The reversal of 50779659399 is 99395697705.

50779659399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50779659399 - 2⁴ = 50779659383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50779659319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030002 + ... + 1078175.

It is an arithmetic number, because the mean of its divisors is an integer number (2563544448).

Almost surely, 2^50779659399 is an apocalyptic number.

50779659399 is a deficient number, since it is larger than the sum of its proper divisors (31253762937).

50779659399 is a wasteful number, since it uses less digits than its factorization.

50779659399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108255.

The product of its (nonzero) digits is 144670050, while the sum is 69.

The spelling of 50779659399 in words is "fifty billion, seven hundred seventy-nine million, six hundred fifty-nine thousand, three hundred ninety-nine".