67600786280 has 128 divisors (see below), whose sum is σ = 169746192000. Its totient is φ = 24078827520.

The previous prime is 67600786273. The next prime is 67600786339. The reversal of 67600786280 is 8268700676.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11379551 + ... + 11385489.

It is an arithmetic number, because the mean of its divisors is an integer number (1326142125).

Almost surely, 2^67600786280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67600786280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84873096000).

67600786280 is an abundant number, since it is smaller than the sum of its proper divisors (102145405720).

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

67600786280 is a wasteful number, since it uses less digits than its factorization.

67600786280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867 (or 6863 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 67600786280 in words is "sixty-seven billion, six hundred million, seven hundred eighty-six thousand, two hundred eighty".