667876875 has 80 divisors (see below), whose sum is σ = 1230806016. Its totient is φ = 320320000.

The previous prime is 667876849. The next prime is 667876889. The reversal of 667876875 is 578678766.

It is not a de Polignac number, because 667876875 - 2⁵ = 667876843 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 732670 + ... + 733580.

Almost surely, 2^667876875 is an apocalyptic number.

667876875 is a deficient number, since it is larger than the sum of its proper divisors (562929141).

667876875 is a wasteful number, since it uses less digits than its factorization.

667876875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 959 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 60.

The square root of 667876875 is about 25843.3139322340. The cubic root of 667876875 is about 874.1087523752.

The spelling of 667876875 in words is "six hundred sixty-seven million, eight hundred seventy-six thousand, eight hundred seventy-five".