505847856 has 40 divisors (see below), whose sum is σ = 1326286144. Its totient is φ = 166098240.

The previous prime is 505847833. The next prime is 505847911. The reversal of 505847856 is 658748505.

It is a super-3 number, since 3×505847856³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75430 + ... + 81861.

Almost surely, 2^505847856 is an apocalyptic number.

It is an amenable number.

505847856 is an abundant number, since it is smaller than the sum of its proper divisors (820438288).

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

505847856 is a wasteful number, since it uses less digits than its factorization.

505847856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157369 (or 157363 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 505847856 is about 22491.0616912586. The cubic root of 505847856 is about 796.7828380120.

The spelling of 505847856 in words is "five hundred five million, eight hundred forty-seven thousand, eight hundred fifty-six".