67939893976 has 32 divisors (see below), whose sum is σ = 129813140160. Its totient is φ = 33323277312.

The previous prime is 67939893971. The next prime is 67939893977.

67939893976 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67939893971) 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, 3532081 + ... + 3551263.

It is an arithmetic number, because the mean of its divisors is an integer number (4056660630).

Almost surely, 2^67939893976 is an apocalyptic number.

It is an amenable number.

67939893976 is a deficient number, since it is larger than the sum of its proper divisors (61873246184).

67939893976 is a wasteful number, since it uses less digits than its factorization.

67939893976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595 (or 27591 counting only the distinct ones).

The product of its digits is 833299488, while the sum is 76.

The spelling of 67939893976 in words is "sixty-seven billion, nine hundred thirty-nine million, eight hundred ninety-three thousand, nine hundred seventy-six".