68876816 has 20 divisors (see below), whose sum is σ = 135330624. Its totient is φ = 33952800.

The previous prime is 68876813. The next prime is 68876831. The reversal of 68876816 is 61867886.

It is not an unprimeable number, because it can be changed into a prime (68876813) by changing a digit.

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, 29180 + ... + 31451.

Almost surely, 2^68876816 is an apocalyptic number.

It is an amenable number.

68876816 is a deficient number, since it is larger than the sum of its proper divisors (66453808).

68876816 is a wasteful number, since it uses less digits than its factorization.

68876816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60710 (or 60704 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 68876816 is about 8299.2057451301. The cubic root of 68876816 is about 409.9123667555.

The spelling of 68876816 in words is "sixty-eight million, eight hundred seventy-six thousand, eight hundred sixteen".