67889915052 has 12 divisors (see below), whose sum is σ = 158409801816. Its totient is φ = 22629971680.

The previous prime is 67889915003. The next prime is 67889915081. The reversal of 67889915052 is 25051998876.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828746449 + ... + 2828746472.

It is an arithmetic number, because the mean of its divisors is an integer number (13200816818).

Almost surely, 2^67889915052 is an apocalyptic number.

It is an amenable number.

67889915052 is an abundant number, since it is smaller than the sum of its proper divisors (90519886764).

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

67889915052 is a wasteful number, since it uses less digits than its factorization.

67889915052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657492928 (or 5657492926 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 67889915052 in words is "sixty-seven billion, eight hundred eighty-nine million, nine hundred fifteen thousand, fifty-two".