667115008 has 60 divisors (see below), whose sum is σ = 1550606112. Its totient is φ = 285895680.

The previous prime is 667114997. The next prime is 667115021. The reversal of 667115008 is 800511766.

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 5 ways as a sum of consecutive naturals, for example, 11793 + ... + 38383.

Almost surely, 2^667115008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667115008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775303056).

667115008 is an abundant number, since it is smaller than the sum of its proper divisors (883491104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667115008 is an equidigital number, since it uses as much as digits as its factorization.

667115008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26623 (or 26600 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 667115008 is about 25828.5696080910. The cubic root of 667115008 is about 873.7762519683.

The spelling of 667115008 in words is "six hundred sixty-seven million, one hundred fifteen thousand, eight".