68448447902 has 8 divisors (see below), whose sum is σ = 107136701136. Its totient is φ = 32736214192.

The previous prime is 68448447889. The next prime is 68448447917. The reversal of 68448447902 is 20974484486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744004823 + ... + 744004914.

It is an arithmetic number, because the mean of its divisors is an integer number (13392087642).

Almost surely, 2^68448447902 is an apocalyptic number.

68448447902 is a deficient number, since it is larger than the sum of its proper divisors (38688253234).

68448447902 is a wasteful number, since it uses less digits than its factorization.

68448447902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488009762.

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 68448447902 in words is "sixty-eight billion, four hundred forty-eight million, four hundred forty-seven thousand, nine hundred two".