68911008 has 48 divisors (see below), whose sum is σ = 181341216. Its totient is φ = 22913280.

The previous prime is 68911001. The next prime is 68911033. The reversal of 68911008 is 80011986.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68911008.

It is not an unprimeable number, because it can be changed into a prime (68911001) 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, 58263 + ... + 59433.

It is an arithmetic number, because the mean of its divisors is an integer number (3777942).

Almost surely, 2^68911008 is an apocalyptic number.

It is an amenable number.

68911008 is an abundant number, since it is smaller than the sum of its proper divisors (112430208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68911008 is a wasteful number, since it uses less digits than its factorization.

68911008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 68911008 is about 8301.2654457016. The cubic root of 68911008 is about 409.9801854394.

The spelling of 68911008 in words is "sixty-eight million, nine hundred eleven thousand, eight".