50786539128789 has 8 divisors (see below), whose sum is σ = 68106803919072. Its totient is φ = 33661983545520.

The previous prime is 50786539128709. The next prime is 50786539128821. The reversal of 50786539128789 is 98782193568705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50786539128789 - 2³³ = 50777949194197 is a prime.

It is a super-3 number, since 3×50786539128789³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50786539128709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48927301147 + ... + 48927302184.

It is an arithmetic number, because the mean of its divisors is an integer number (8513350489884).

Almost surely, 2^{50786539128789} is an apocalyptic number.

It is an amenable number.

50786539128789 is a deficient number, since it is larger than the sum of its proper divisors (17320264790283).

50786539128789 is a wasteful number, since it uses less digits than its factorization.

50786539128789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97854603507.

The product of its (nonzero) digits is 1828915200, while the sum is 78.

The spelling of 50786539128789 in words is "fifty trillion, seven hundred eighty-six billion, five hundred thirty-nine million, one hundred twenty-eight thousand, seven hundred eighty-nine".