67773270888 has 160 divisors (see below), whose sum is σ = 195190617600. Its totient is φ = 21954354048.

The previous prime is 67773270857. The next prime is 67773270893. The reversal of 67773270888 is 88807237776.

It is a Cunningham number, because it is equal to 260333²-1.

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 39 ways as a sum of consecutive naturals, for example, 38528553 + ... + 38530311.

It is an arithmetic number, because the mean of its divisors is an integer number (1219941360).

Almost surely, 2^67773270888 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 67773270888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97595308800).

67773270888 is an abundant number, since it is smaller than the sum of its proper divisors (127417346712).

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

67773270888 is a wasteful number, since it uses less digits than its factorization.

67773270888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 63.

It can be divided in two parts, 677 and 73270888, that added together give a triangular number (73271565 = T₁₂₁₀₅).

The spelling of 67773270888 in words is "sixty-seven billion, seven hundred seventy-three million, two hundred seventy thousand, eight hundred eighty-eight".