68829548871 has 4 divisors (see below), whose sum is σ = 91772731832. Its totient is φ = 45886365912.

The previous prime is 68829548867. The next prime is 68829548939. The reversal of 68829548871 is 17884592886.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68829548871 - 2² = 68829548867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68829548861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11471591476 + ... + 11471591481.

It is an arithmetic number, because the mean of its divisors is an integer number (22943182958).

Almost surely, 2^68829548871 is an apocalyptic number.

68829548871 is a deficient number, since it is larger than the sum of its proper divisors (22943182961).

68829548871 is a wasteful number, since it uses less digits than its factorization.

68829548871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22943182960.

The product of its digits is 61931520, while the sum is 66.

The spelling of 68829548871 in words is "sixty-eight billion, eight hundred twenty-nine million, five hundred forty-eight thousand, eight hundred seventy-one".