505947876 has 48 divisors (see below), whose sum is σ = 1357310976. Its totient is φ = 143686944.

The previous prime is 505947853. The next prime is 505947881. The reversal of 505947876 is 678749505.

It is a super-2 number, since 2×505947876² = 511966506457822752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (28277312).

Almost surely, 2^505947876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505947876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678655488).

505947876 is an abundant number, since it is smaller than the sum of its proper divisors (851363100).

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

505947876 is a wasteful number, since it uses less digits than its factorization.

505947876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36248 (or 36246 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 505947876 is about 22493.2851313453. The cubic root of 505947876 is about 796.8353498272.

The spelling of 505947876 in words is "five hundred five million, nine hundred forty-seven thousand, eight hundred seventy-six".