67988420886 has 16 divisors (see below), whose sum is σ = 136004544000. Its totient is φ = 22658189928.

The previous prime is 67988420873. The next prime is 67988420891. The reversal of 67988420886 is 68802488976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122286 + ... + 1181313.

It is an arithmetic number, because the mean of its divisors is an integer number (8500284000).

Almost surely, 2^67988420886 is an apocalyptic number.

67988420886 is an abundant number, since it is smaller than the sum of its proper divisors (68016123114).

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

67988420886 is a wasteful number, since it uses less digits than its factorization.

67988420886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308523.

The product of its (nonzero) digits is 74317824, while the sum is 66.

The spelling of 67988420886 in words is "sixty-seven billion, nine hundred eighty-eight million, four hundred twenty thousand, eight hundred eighty-six".