68854887 has 8 divisors (see below), whose sum is σ = 102007280. Its totient is φ = 45903240.

The previous prime is 68854883. The next prime is 68854889. The reversal of 68854887 is 78845886.

It is not a de Polignac number, because 68854887 - 2² = 68854883 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 (68854883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275064 + ... + 1275117.

It is an arithmetic number, because the mean of its divisors is an integer number (12750910).

Almost surely, 2^68854887 is an apocalyptic number.

68854887 is a deficient number, since it is larger than the sum of its proper divisors (33152393).

68854887 is a wasteful number, since it uses less digits than its factorization.

68854887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550190 (or 2550184 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 68854887 is about 8297.8844894346. The cubic root of 68854887 is about 409.8688595061.

Subtracting 68854887 from its reverse (78845886), we obtain a palindrome (9990999).

The spelling of 68854887 in words is "sixty-eight million, eight hundred fifty-four thousand, eight hundred eighty-seven".