505816086 has 48 divisors (see below), whose sum is σ = 1066104000. Its totient is φ = 159938016.

The previous prime is 505816067. The next prime is 505816097. The reversal of 505816086 is 680618505.

It is a super-3 number, since 3×505816086³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296865 + ... + 298563.

It is an arithmetic number, because the mean of its divisors is an integer number (22210500).

Almost surely, 2^505816086 is an apocalyptic number.

505816086 is an abundant number, since it is smaller than the sum of its proper divisors (560287914).

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

505816086 is a wasteful number, since it uses less digits than its factorization.

505816086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 505816086 is about 22490.3553995930. The cubic root of 505816086 is about 796.7661568957.

The spelling of 505816086 in words is "five hundred five million, eight hundred sixteen thousand, eighty-six".