505829079 has 24 divisors (see below), whose sum is σ = 836894240. Its totient is φ = 288396288.

The previous prime is 505829057. The next prime is 505829089. The reversal of 505829079 is 970928505.

It is a happy number.

It is not a de Polignac number, because 505829079 - 2¹² = 505824983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505829089) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20007 + ... + 37575.

Almost surely, 2^505829079 is an apocalyptic number.

505829079 is a deficient number, since it is larger than the sum of its proper divisors (331065161).

505829079 is a wasteful number, since it uses less digits than its factorization.

505829079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039 (or 18036 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 505829079 is about 22490.6442548896. The cubic root of 505829079 is about 796.7729790684.

The spelling of 505829079 in words is "five hundred five million, eight hundred twenty-nine thousand, seventy-nine".