667233288788 has 24 divisors (see below), whose sum is σ = 1273864650240. Its totient is φ = 303274609920.

The previous prime is 667233288781. The next prime is 667233288833. The reversal of 667233288788 is 887882332766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667233288781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725348 + ... + 1364036.

It is an arithmetic number, because the mean of its divisors is an integer number (53077693760).

Almost surely, 2^667233288788 is an apocalyptic number.

It is an amenable number.

667233288788 is a deficient number, since it is larger than the sum of its proper divisors (606631361452).

667233288788 is a wasteful number, since it uses less digits than its factorization.

667233288788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662447 (or 662445 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 68.

The spelling of 667233288788 in words is "six hundred sixty-seven billion, two hundred thirty-three million, two hundred eighty-eight thousand, seven hundred eighty-eight".