667776675 has 12 divisors (see below), whose sum is σ = 1104057560. Its totient is φ = 356147520.

The previous prime is 667776671. The next prime is 667776731. The reversal of 667776675 is 576677766.

It is a happy number.

It is not a de Polignac number, because 667776675 - 2² = 667776671 is a prime.

It is a super-3 number, since 3×667776675³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (667776671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4451770 + ... + 4451919.

Almost surely, 2^667776675 is an apocalyptic number.

667776675 is a deficient number, since it is larger than the sum of its proper divisors (436280885).

667776675 is a wasteful number, since it uses less digits than its factorization.

667776675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903702 (or 8903697 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 57.

The square root of 667776675 is about 25841.3752536509. The cubic root of 667776675 is about 874.0650366941.

The spelling of 667776675 in words is "six hundred sixty-seven million, seven hundred seventy-six thousand, six hundred seventy-five".