67877718704 has 20 divisors (see below), whose sum is σ = 131871437664. Its totient is φ = 33846379968.

The previous prime is 67877718661. The next prime is 67877718767. The reversal of 67877718704 is 40781777876.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773907 + ... + 5785650.

Almost surely, 2^67877718704 is an apocalyptic number.

It is an amenable number.

67877718704 is a deficient number, since it is larger than the sum of its proper divisors (63993718960).

67877718704 is a wasteful number, since it uses less digits than its factorization.

67877718704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11559932 (or 11559926 counting only the distinct ones).

The product of its (nonzero) digits is 25815552, while the sum is 62.

The spelling of 67877718704 in words is "sixty-seven billion, eight hundred seventy-seven million, seven hundred eighteen thousand, seven hundred four".