67219879680 has 108 divisors (see below), whose sum is σ = 232573821480. Its totient is φ = 17925298176.

The previous prime is 67219879679. The next prime is 67219879691. The reversal of 67219879680 is 8697891276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2906010 + ... + 2929049.

It is an arithmetic number, because the mean of its divisors is an integer number (2153461310).

Almost surely, 2^67219879680 is an apocalyptic number.

67219879680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67219879680 is an abundant number, since it is smaller than the sum of its proper divisors (165353941800).

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

67219879680 is a wasteful number, since it uses less digits than its factorization.

67219879680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835086 (or 5835069 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 67219879680 in words is "sixty-seven billion, two hundred nineteen million, eight hundred seventy-nine thousand, six hundred eighty".