667288875 has 64 divisors (see below), whose sum is σ = 1226534400. Its totient is φ = 319472000.

The previous prime is 667288871. The next prime is 667288877. The reversal of 667288875 is 578882766.

It is a happy number.

It is not a de Polignac number, because 667288875 - 2² = 667288871 is a prime.

It is a super-3 number, since 3×667288875³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (667288871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341401 + ... + 343349.

It is an arithmetic number, because the mean of its divisors is an integer number (19164600).

Almost surely, 2^667288875 is an apocalyptic number.

667288875 is a deficient number, since it is larger than the sum of its proper divisors (559245525).

667288875 is a wasteful number, since it uses less digits than its factorization.

667288875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2051 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The square root of 667288875 is about 25831.9351772181. The cubic root of 667288875 is about 873.8521547524.

The spelling of 667288875 in words is "six hundred sixty-seven million, two hundred eighty-eight thousand, eight hundred seventy-five".