67877920107 has 16 divisors (see below), whose sum is σ = 103012563360. Its totient is φ = 44148240000.

The previous prime is 67877920087. The next prime is 67877920151. The reversal of 67877920107 is 70102977876.

It is not a de Polignac number, because 67877920107 - 2⁷ = 67877919979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67877920177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30657394 + ... + 30659607.

It is an arithmetic number, because the mean of its divisors is an integer number (6438285210).

Almost surely, 2^67877920107 is an apocalyptic number.

67877920107 is a deficient number, since it is larger than the sum of its proper divisors (35134643253).

67877920107 is a wasteful number, since it uses less digits than its factorization.

67877920107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61317051 (or 61317045 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 67877920107 in words is "sixty-seven billion, eight hundred seventy-seven million, nine hundred twenty thousand, one hundred seven".