68888976 has 80 divisors (see below), whose sum is σ = 195362496. Its totient is φ = 20786688.

The previous prime is 68888951. The next prime is 68888977. The reversal of 68888976 is 67988886.

It is not an unprimeable number, because it can be changed into a prime (68888977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32031 + ... + 34113.

Almost surely, 2^68888976 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 68888976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97681248).

68888976 is an abundant number, since it is smaller than the sum of its proper divisors (126473520).

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

68888976 is a wasteful number, since it uses less digits than its factorization.

68888976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2154 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 60.

The square root of 68888976 is about 8299.9383130238. The cubic root of 68888976 is about 409.9364882783.

The spelling of 68888976 in words is "sixty-eight million, eight hundred eighty-eight thousand, nine hundred seventy-six".