67788844090 has 32 divisors (see below), whose sum is σ = 133124394240. Its totient is φ = 24648312000.

The previous prime is 67788844087. The next prime is 67788844133. The reversal of 67788844090 is 9044888776.

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 15 ways as a sum of consecutive naturals, for example, 1748415 + ... + 1786765.

It is an arithmetic number, because the mean of its divisors is an integer number (4160137320).

Almost surely, 2^67788844090 is an apocalyptic number.

67788844090 is a deficient number, since it is larger than the sum of its proper divisors (65335550150).

67788844090 is a wasteful number, since it uses less digits than its factorization.

67788844090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54438.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 67788844090 in words is "sixty-seven billion, seven hundred eighty-eight million, eight hundred forty-four thousand, ninety".