68825567 has 2 divisors, whose sum is σ = 68825568. Its totient is φ = 68825566.

The previous prime is 68825563. The next prime is 68825597. The reversal of 68825567 is 76552886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68825567 - 2² = 68825563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68825563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34412783 + 34412784.

It is an arithmetic number, because the mean of its divisors is an integer number (34412784).

Almost surely, 2^68825567 is an apocalyptic number.

68825567 is a deficient number, since it is larger than the sum of its proper divisors (1).

68825567 is an equidigital number, since it uses as much as digits as its factorization.

68825567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 47.

The square root of 68825567 is about 8296.1175859555. The cubic root of 68825567 is about 409.8106740398.

The spelling of 68825567 in words is "sixty-eight million, eight hundred twenty-five thousand, five hundred sixty-seven".