578129966 has 8 divisors (see below), whose sum is σ = 867407400. Its totient is φ = 288994168.

The previous prime is 578129957. The next prime is 578130013. The reversal of 578129966 is 669921875.

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

It is a super-2 number, since 2×578129966² = 668468515174322312, which contains 22 as substring.

It is a congruent 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, 24536 + ... + 41931.

It is an arithmetic number, because the mean of its divisors is an integer number (108425925).

Almost surely, 2^578129966 is an apocalyptic number.

578129966 is a deficient number, since it is larger than the sum of its proper divisors (289277434).

578129966 is a wasteful number, since it uses less digits than its factorization.

578129966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70818.

The product of its digits is 1632960, while the sum is 53.

The square root of 578129966 is about 24044.3333448861. Note that the first 4 decimals coincide. The cubic root of 578129966 is about 833.0578481751.

The spelling of 578129966 in words is "five hundred seventy-eight million, one hundred twenty-nine thousand, nine hundred sixty-six".