628079585 has 8 divisors (see below), whose sum is σ = 861366336. Its totient is φ = 430683120.

The previous prime is 628079581. The next prime is 628079597. The reversal of 628079585 is 585970826.

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

It is not a de Polignac number, because 628079585 - 2² = 628079581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628079581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8972531 + ... + 8972600.

It is an arithmetic number, because the mean of its divisors is an integer number (107670792).

Almost surely, 2^628079585 is an apocalyptic number.

It is an amenable number.

628079585 is a deficient number, since it is larger than the sum of its proper divisors (233286751).

628079585 is a wasteful number, since it uses less digits than its factorization.

628079585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945143.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 628079585 is about 25061.5160155965. The cubic root of 628079585 is about 856.3899441999.

The spelling of 628079585 in words is "six hundred twenty-eight million, seventy-nine thousand, five hundred eighty-five".