667113776 has 20 divisors (see below), whose sum is σ = 1477180752. Its totient is φ = 285905856.

The previous prime is 667113773. The next prime is 667113793. The reversal of 667113776 is 677311766.

It is not an unprimeable number, because it can be changed into a prime (667113773) 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, 2978075 + ... + 2978298.

Almost surely, 2^667113776 is an apocalyptic number.

It is an amenable number.

667113776 is an abundant number, since it is smaller than the sum of its proper divisors (810066976).

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

667113776 is a wasteful number, since it uses less digits than its factorization.

667113776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956388 (or 5956382 counting only the distinct ones).

The product of its digits is 222264, while the sum is 44.

The square root of 667113776 is about 25828.5457585207. The cubic root of 667113776 is about 873.7757140835.

The spelling of 667113776 in words is "six hundred sixty-seven million, one hundred thirteen thousand, seven hundred seventy-six".