501727772772 has 36 divisors (see below), whose sum is σ = 1268337907200. Its totient is φ = 167231831472.

The previous prime is 501727772771. The next prime is 501727772789. The reversal of 501727772772 is 277277727105.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (501727772771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129229 + ... + 1010027.

Almost surely, 2^501727772772 is an apocalyptic number.

It is an amenable number.

501727772772 is an abundant number, since it is smaller than the sum of its proper divisors (766610134428).

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

501727772772 is a wasteful number, since it uses less digits than its factorization.

501727772772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896632 (or 896627 counting only the distinct ones).

The product of its (nonzero) digits is 4705960, while the sum is 54.

The spelling of 501727772772 in words is "five hundred one billion, seven hundred twenty-seven million, seven hundred seventy-two thousand, seven hundred seventy-two".