505872830 has 8 divisors (see below), whose sum is σ = 910571112. Its totient is φ = 202349128.

The previous prime is 505872827. The next prime is 505872841. The reversal of 505872830 is 38278505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25293632 + ... + 25293651.

It is an arithmetic number, because the mean of its divisors is an integer number (113821389).

Almost surely, 2^505872830 is an apocalyptic number.

505872830 is a deficient number, since it is larger than the sum of its proper divisors (404698282).

505872830 is a wasteful number, since it uses less digits than its factorization.

505872830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50587290.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 505872830 is about 22491.6168827410. The cubic root of 505872830 is about 796.7959503388.

The spelling of 505872830 in words is "five hundred five million, eight hundred seventy-two thousand, eight hundred thirty".