68877056 has 36 divisors (see below), whose sum is σ = 140704872. Its totient is φ = 33632256.

The previous prime is 68877041. The next prime is 68877073. The reversal of 68877056 is 65077886.

It is a self number, because there is not a number n which added to its sum of digits gives 68877056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7880 + ... + 14136.

Almost surely, 2^68877056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68877056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70352436).

68877056 is an abundant number, since it is smaller than the sum of its proper divisors (71827816).

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

68877056 is an equidigital number, since it uses as much as digits as its factorization.

68877056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316 (or 6302 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 68877056 is about 8299.2202043325. The cubic root of 68877056 is about 409.9128428656.

The spelling of 68877056 in words is "sixty-eight million, eight hundred seventy-seven thousand, fifty-six".