67889426088 has 64 divisors (see below), whose sum is σ = 185206694400. Its totient is φ = 20566585280.

The previous prime is 67889426081. The next prime is 67889426113. The reversal of 67889426088 is 88062498876.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (67889426081) 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, 920983 + ... + 991961.

It is an arithmetic number, because the mean of its divisors is an integer number (2893854600).

Almost surely, 2^67889426088 is an apocalyptic number.

It is an amenable number.

67889426088 is an abundant number, since it is smaller than the sum of its proper divisors (117317268312).

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

67889426088 is a wasteful number, since it uses less digits than its factorization.

67889426088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74622 (or 74618 counting only the distinct ones).

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

The spelling of 67889426088 in words is "sixty-seven billion, eight hundred eighty-nine million, four hundred twenty-six thousand, eighty-eight".