67699699676 has 18 divisors (see below), whose sum is σ = 137817246168. Its totient is φ = 29014156920.

The previous prime is 67699699663. The next prime is 67699699751.

67699699676 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 67699699676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172703120 + ... + 172703511.

It is an arithmetic number, because the mean of its divisors is an integer number (7656513676).

Almost surely, 2^67699699676 is an apocalyptic number.

It is an amenable number.

67699699676 is an abundant number, since it is smaller than the sum of its proper divisors (70117546492).

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

67699699676 is a wasteful number, since it uses less digits than its factorization.

67699699676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345406649 (or 345406640 counting only the distinct ones).

The product of its digits is 2499898464, while the sum is 80.

The spelling of 67699699676 in words is "sixty-seven billion, six hundred ninety-nine million, six hundred ninety-nine thousand, six hundred seventy-six".