50778672837172 has 24 divisors (see below), whose sum is σ = 101557607406080. Its totient is φ = 21762232273440.

The previous prime is 50778672837119. The next prime is 50778672837173. The reversal of 50778672837172 is 27173827687705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50778672837173) 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, 9833722 + ... + 14080462.

Almost surely, 2^{50778672837172} is an apocalyptic number.

It is an amenable number.

50778672837172 is an abundant number, since it is smaller than the sum of its proper divisors (50778934568908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50778672837172 is a wasteful number, since it uses less digits than its factorization.

50778672837172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673791 (or 4673789 counting only the distinct ones).

The product of its (nonzero) digits is 387233280, while the sum is 70.

The spelling of 50778672837172 in words is "fifty trillion, seven hundred seventy-eight billion, six hundred seventy-two million, eight hundred thirty-seven thousand, one hundred seventy-two".