509666082 has 8 divisors (see below), whose sum is σ = 1019332176. Its totient is φ = 169888692.

The previous prime is 509666029. The next prime is 509666107. The reversal of 509666082 is 280666905.

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

509666082 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 42472168 + ... + 42472179.

It is an arithmetic number, because the mean of its divisors is an integer number (127416522).

Almost surely, 2^509666082 is an apocalyptic number.

509666082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

509666082 is a wasteful number, since it uses less digits than its factorization.

509666082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84944352.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 509666082 is about 22575.7853019557. The cubic root of 509666082 is about 798.7825659661.

The spelling of 509666082 in words is "five hundred nine million, six hundred sixty-six thousand, eighty-two".