667079485 has 4 divisors (see below), whose sum is σ = 800495388. Its totient is φ = 533663584.

The previous prime is 667079461. The next prime is 667079503. The reversal of 667079485 is 584970766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324792484 + 342287001 = 18022^2 + 18501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667079485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66707944 + ... + 66707953.

It is an arithmetic number, because the mean of its divisors is an integer number (200123847).

Almost surely, 2^667079485 is an apocalyptic number.

It is an amenable number.

667079485 is a deficient number, since it is larger than the sum of its proper divisors (133415903).

667079485 is a wasteful number, since it uses less digits than its factorization.

667079485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133415902.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 667079485 is about 25827.8819301932. The cubic root of 667079485 is about 873.7607425462.

The spelling of 667079485 in words is "six hundred sixty-seven million, seventy-nine thousand, four hundred eighty-five".