667577343375 has 48 divisors (see below), whose sum is σ = 1223147737344. Its totient is φ = 350204472000.

The previous prime is 667577343319. The next prime is 667577343421. The reversal of 667577343375 is 573343775766.

667577343375 is a `hidden beast` number, since 6 + 67 + 5 + 7 + 73 + 433 + 75 = 666.

It is not a de Polignac number, because 667577343375 - 2⁶ = 667577343311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4795327 + ... + 4932576.

It is an arithmetic number, because the mean of its divisors is an integer number (25482244528).

Almost surely, 2^667577343375 is an apocalyptic number.

667577343375 is a deficient number, since it is larger than the sum of its proper divisors (555570393969).

667577343375 is a wasteful number, since it uses less digits than its factorization.

667577343375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727985 (or 9727972 counting only the distinct ones).

The product of its digits is 233377200, while the sum is 63.

The spelling of 667577343375 in words is "six hundred sixty-seven billion, five hundred seventy-seven million, three hundred forty-three thousand, three hundred seventy-five".