667667487862 has 32 divisors (see below), whose sum is σ = 1070236126080. Its totient is φ = 311458815360.

The previous prime is 667667487847. The next prime is 667667487871. The reversal of 667667487862 is 268784766766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9913662 + ... + 9980782.

It is an arithmetic number, because the mean of its divisors is an integer number (33444878940).

Almost surely, 2^667667487862 is an apocalyptic number.

667667487862 is a deficient number, since it is larger than the sum of its proper divisors (402568638218).

667667487862 is a wasteful number, since it uses less digits than its factorization.

667667487862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71116.

The product of its digits is 1365590016, while the sum is 73.

The spelling of 667667487862 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, four hundred eighty-seven thousand, eight hundred sixty-two".