67889561226 has 32 divisors (see below), whose sum is σ = 140863488000. Its totient is φ = 21789797040.

The previous prime is 67889561221. The next prime is 67889561249. The reversal of 67889561226 is 62216598876.

It is a self number, because there is not a number n which added to its sum of digits gives 67889561226.

It is not an unprimeable number, because it can be changed into a prime (67889561221) 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, 880066 + ... + 954093.

It is an arithmetic number, because the mean of its divisors is an integer number (4401984000).

Almost surely, 2^67889561226 is an apocalyptic number.

67889561226 is an abundant number, since it is smaller than the sum of its proper divisors (72973926774).

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

67889561226 is a wasteful number, since it uses less digits than its factorization.

67889561226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834394.

The product of its digits is 17418240, while the sum is 60.

The spelling of 67889561226 in words is "sixty-seven billion, eight hundred eighty-nine million, five hundred sixty-one thousand, two hundred twenty-six".