68828816 has 20 divisors (see below), whose sum is σ = 152406912. Its totient is φ = 29498016.

The previous prime is 68828807. The next prime is 68828819. The reversal of 68828816 is 61882886.

It is not an unprimeable number, because it can be changed into a prime (68828819) 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, 307160 + ... + 307383.

Almost surely, 2^68828816 is an apocalyptic number.

It is an amenable number.

68828816 is an abundant number, since it is smaller than the sum of its proper divisors (83578096).

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

68828816 is a wasteful number, since it uses less digits than its factorization.

68828816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614558 (or 614552 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 68828816 is about 8296.3133981305. The cubic root of 68828816 is about 409.8171224862.

The spelling of 68828816 in words is "sixty-eight million, eight hundred twenty-eight thousand, eight hundred sixteen".