667284884764 has 24 divisors (see below), whose sum is σ = 1185237195408. Its totient is φ = 328646186880.

The previous prime is 667284884743. The next prime is 667284884797. The reversal of 667284884764 is 467488482766.

It is a junction number, because it is equal to n+sod(n) for n = 667284884693 and 667284884702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6601872 + ... + 6702184.

It is an arithmetic number, because the mean of its divisors is an integer number (49384883142).

Almost surely, 2^667284884764 is an apocalyptic number.

It is an amenable number.

667284884764 is a deficient number, since it is larger than the sum of its proper divisors (517952310644).

667284884764 is a wasteful number, since it uses less digits than its factorization.

667284884764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125205 (or 125203 counting only the distinct ones).

The product of its digits is 693633024, while the sum is 70.

The spelling of 667284884764 in words is "six hundred sixty-seven billion, two hundred eighty-four million, eight hundred eighty-four thousand, seven hundred sixty-four".