67678677099 has 24 divisors (see below), whose sum is σ = 107050724352. Its totient is φ = 40861404720.

The previous prime is 67678677097. The next prime is 67678677173. The reversal of 67678677099 is 99077687676.

It is not a de Polignac number, because 67678677099 - 2¹ = 67678677097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67678677097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1273627 + ... + 1325700.

It is an arithmetic number, because the mean of its divisors is an integer number (4460446848).

Almost surely, 2^67678677099 is an apocalyptic number.

67678677099 is a deficient number, since it is larger than the sum of its proper divisors (39372047253).

67678677099 is a wasteful number, since it uses less digits than its factorization.

67678677099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599607 (or 2599604 counting only the distinct ones).

The product of its (nonzero) digits is 336063168, while the sum is 72.

The spelling of 67678677099 in words is "sixty-seven billion, six hundred seventy-eight million, six hundred seventy-seven thousand, ninety-nine".