505277772 has 48 divisors (see below), whose sum is σ = 1225523712. Its totient is φ = 161887680.

The previous prime is 505277767. The next prime is 505277833. The reversal of 505277772 is 277772505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29997 + ... + 43707.

It is an arithmetic number, because the mean of its divisors is an integer number (25531744).

Almost surely, 2^505277772 is an apocalyptic number.

It is an amenable number.

505277772 is an abundant number, since it is smaller than the sum of its proper divisors (720245940).

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

505277772 is a wasteful number, since it uses less digits than its factorization.

505277772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838 (or 13836 counting only the distinct ones).

The product of its (nonzero) digits is 240100, while the sum is 42.

The square root of 505277772 is about 22478.3845504965. The cubic root of 505277772 is about 796.4834041755.

The spelling of 505277772 in words is "five hundred five million, two hundred seventy-seven thousand, seven hundred seventy-two".