505127772 has 48 divisors (see below), whose sum is σ = 1311412480. Its totient is φ = 168141744.

The previous prime is 505127761. The next prime is 505127773. The reversal of 505127772 is 277721505.

505127772 is a `hidden beast` number, since 5 + 0 + 512 + 77 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505127773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86043 + ... + 91725.

Almost surely, 2^505127772 is an apocalyptic number.

It is an amenable number.

505127772 is an abundant number, since it is smaller than the sum of its proper divisors (806284708).

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

505127772 is a wasteful number, since it uses less digits than its factorization.

505127772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519 (or 6511 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 505127772 is about 22475.0477641317. The cubic root of 505127772 is about 796.4045799843.

It can be divided in two parts, 5051 and 27772, that added together give a palindrome (32823).

The spelling of 505127772 in words is "five hundred five million, one hundred twenty-seven thousand, seven hundred seventy-two".