665079085 has 8 divisors (see below), whose sum is σ = 870649056. Its totient is φ = 483693840.

The previous prime is 665079073. The next prime is 665079101. The reversal of 665079085 is 580970566.

665079085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 665079085 - 2²¹ = 662981933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6046119 + ... + 6046228.

It is an arithmetic number, because the mean of its divisors is an integer number (108831132).

Almost surely, 2^665079085 is an apocalyptic number.

It is an amenable number.

665079085 is a deficient number, since it is larger than the sum of its proper divisors (205569971).

665079085 is a wasteful number, since it uses less digits than its factorization.

665079085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092363.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 665079085 is about 25789.1272632480. The cubic root of 665079085 is about 872.8864733954.

The spelling of 665079085 in words is "six hundred sixty-five million, seventy-nine thousand, eighty-five".