68448887 has 12 divisors (see below), whose sum is σ = 78023880. Its totient is φ = 59855328.

The previous prime is 68448847. The next prime is 68448889. The reversal of 68448887 is 78884486.

It is not a de Polignac number, because 68448887 - 2⁶ = 68448823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68448889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7448 + ... + 13869.

It is an arithmetic number, because the mean of its divisors is an integer number (6501990).

Almost surely, 2^68448887 is an apocalyptic number.

68448887 is a deficient number, since it is larger than the sum of its proper divisors (9574993).

68448887 is a wasteful number, since it uses less digits than its factorization.

68448887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21362 (or 21349 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 53.

The square root of 68448887 is about 8273.3842531337. The cubic root of 68448887 is about 409.0616793137.

The spelling of 68448887 in words is "sixty-eight million, four hundred forty-eight thousand, eight hundred eighty-seven".