505047870 has 24 divisors (see below), whose sum is σ = 1313124696. Its totient is φ = 134679408.

The previous prime is 505047841. The next prime is 505047899. The reversal of 505047870 is 78740505.

It is an interprime number because it is at equal distance from previous prime (505047841) and next prime (505047899).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2805732 + ... + 2805911.

It is an arithmetic number, because the mean of its divisors is an integer number (54713529).

Almost surely, 2^505047870 is an apocalyptic number.

505047870 is an abundant number, since it is smaller than the sum of its proper divisors (808076826).

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

505047870 is a wasteful number, since it uses less digits than its factorization.

505047870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611656 (or 5611653 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 505047870 is about 22473.2701225256. The cubic root of 505047870 is about 796.3625855440.

The spelling of 505047870 in words is "five hundred five million, forty-seven thousand, eight hundred seventy".