68828807 has 2 divisors, whose sum is σ = 68828808. Its totient is φ = 68828806.

The previous prime is 68828797. The next prime is 68828819. The reversal of 68828807 is 70882886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68828807 - 2⁶ = 68828743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68828867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34414403 + 34414404.

It is an arithmetic number, because the mean of its divisors is an integer number (34414404).

Almost surely, 2^68828807 is an apocalyptic number.

68828807 is a deficient number, since it is larger than the sum of its proper divisors (1).

68828807 is an equidigital number, since it uses as much as digits as its factorization.

68828807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 47.

The square root of 68828807 is about 8296.3128557209. The cubic root of 68828807 is about 409.8171046237.

The spelling of 68828807 in words is "sixty-eight million, eight hundred twenty-eight thousand, eight hundred seven".