67667777000 has 32 divisors (see below), whose sum is σ = 158342600520. Its totient is φ = 27067110400.

The previous prime is 67667776963. The next prime is 67667777011. The reversal of 67667777000 is 77776676.

It can be written as a sum of positive squares in 4 ways, for example, as 31743123556 + 35924653444 = 178166^2 + 189538^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33832889 + ... + 33834888.

Almost surely, 2^67667777000 is an apocalyptic number.

It is an amenable number.

67667777000 is an abundant number, since it is smaller than the sum of its proper divisors (90674823520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67667777000 is a wasteful number, since it uses less digits than its factorization.

67667777000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67667798 (or 67667784 counting only the distinct ones).

The product of its (nonzero) digits is 3630312, while the sum is 53.

The spelling of 67667777000 in words is "sixty-seven billion, six hundred sixty-seven million, seven hundred seventy-seven thousand".