667008848279 has 4 divisors (see below), whose sum is σ = 667299233184. Its totient is φ = 666718463376.

The previous prime is 667008848267. The next prime is 667008848309. The reversal of 667008848279 is 972848800766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972848800766 = 2 ⋅486424400383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667008848279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667008848579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145189007 + ... + 145193600.

It is an arithmetic number, because the mean of its divisors is an integer number (166824808296).

Almost surely, 2^667008848279 is an apocalyptic number.

667008848279 is a deficient number, since it is larger than the sum of its proper divisors (290384905).

667008848279 is a wasteful number, since it uses less digits than its factorization.

667008848279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290384904.

The product of its (nonzero) digits is 65028096, while the sum is 65.

The spelling of 667008848279 in words is "six hundred sixty-seven billion, eight million, eight hundred forty-eight thousand, two hundred seventy-nine".