667233125287 has 4 divisors (see below), whose sum is σ = 690241164120. Its totient is φ = 644225086456.

The previous prime is 667233125257. The next prime is 667233125323. The reversal of 667233125287 is 782521332766.

667233125287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667233125287 - 2³¹ = 665085641639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667233125227) 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, 11504019373 + ... + 11504019430.

It is an arithmetic number, because the mean of its divisors is an integer number (172560291030).

Almost surely, 2^667233125287 is an apocalyptic number.

667233125287 is a deficient number, since it is larger than the sum of its proper divisors (23008038833).

667233125287 is a wasteful number, since it uses less digits than its factorization.

667233125287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23008038832.

The product of its digits is 5080320, while the sum is 52.

The spelling of 667233125287 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-five thousand, two hundred eighty-seven".