667238485 has 8 divisors (see below), whose sum is σ = 842827680. Its totient is φ = 505696464.

The previous prime is 667238437. The next prime is 667238521. The reversal of 667238485 is 584832766.

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

It is a cyclic number.

It is not a de Polignac number, because 667238485 - 2¹⁵ = 667205717 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3511687 + ... + 3511876.

It is an arithmetic number, because the mean of its divisors is an integer number (105353460).

Almost surely, 2^667238485 is an apocalyptic number.

It is an amenable number.

667238485 is a deficient number, since it is larger than the sum of its proper divisors (175589195).

667238485 is a wasteful number, since it uses less digits than its factorization.

667238485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023587.

The product of its digits is 1935360, while the sum is 49.

The square root of 667238485 is about 25830.9598156940. The cubic root of 667238485 is about 873.8301580230.

The spelling of 667238485 in words is "six hundred sixty-seven million, two hundred thirty-eight thousand, four hundred eighty-five".