667792679 has 8 divisors (see below), whose sum is σ = 671711040. Its totient is φ = 663883776.

The previous prime is 667792673. The next prime is 667792711. The reversal of 667792679 is 976297766.

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 667792679 - 2¹⁶ = 667727143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667792673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177314 + ... + 181040.

It is an arithmetic number, because the mean of its divisors is an integer number (83963880).

Almost surely, 2^667792679 is an apocalyptic number.

667792679 is a deficient number, since it is larger than the sum of its proper divisors (3918361).

667792679 is a wasteful number, since it uses less digits than its factorization.

667792679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729.

The product of its digits is 12002256, while the sum is 59.

The square root of 667792679 is about 25841.6849102376. The cubic root of 667792679 is about 874.0720192806.

The spelling of 667792679 in words is "six hundred sixty-seven million, seven hundred ninety-two thousand, six hundred seventy-nine".