505879672 has 8 divisors (see below), whose sum is σ = 948524400. Its totient is φ = 252939832.

The previous prime is 505879667. The next prime is 505879679. The reversal of 505879672 is 276978505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505879679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31617472 + ... + 31617487.

It is an arithmetic number, because the mean of its divisors is an integer number (118565550).

Almost surely, 2^505879672 is an apocalyptic number.

It is an amenable number.

505879672 is a deficient number, since it is larger than the sum of its proper divisors (442644728).

505879672 is a wasteful number, since it uses less digits than its factorization.

505879672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63234965 (or 63234961 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 505879672 is about 22491.7689833414. The cubic root of 505879672 is about 796.7995425810.

The spelling of 505879672 in words is "five hundred five million, eight hundred seventy-nine thousand, six hundred seventy-two".