68384008475 has 12 divisors (see below), whose sum is σ = 85017582336. Its totient is φ = 54564360480.

The previous prime is 68384008471. The next prime is 68384008523. The reversal of 68384008475 is 57480048386.

It is not a de Polignac number, because 68384008475 - 2² = 68384008471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68384008471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3561392 + ... + 3580541.

It is an arithmetic number, because the mean of its divisors is an integer number (7084798528).

Almost surely, 2^68384008475 is an apocalyptic number.

68384008475 is a deficient number, since it is larger than the sum of its proper divisors (16633573861).

68384008475 is a wasteful number, since it uses less digits than its factorization.

68384008475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142326 (or 7142321 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 68384008475 in words is "sixty-eight billion, three hundred eighty-four million, eight thousand, four hundred seventy-five".