68563827 has 20 divisors (see below), whose sum is σ = 102685440. Its totient is φ = 45591984.

The previous prime is 68563823. The next prime is 68563853. The reversal of 68563827 is 72836586.

68563827 is a `hidden beast` number, since 6 + 8 + 5 + 638 + 2 + 7 = 666.

It is not a de Polignac number, because 68563827 - 2² = 68563823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68563823) 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 in 19 ways as a sum of consecutive naturals, for example, 40398 + ... + 42060.

It is an arithmetic number, because the mean of its divisors is an integer number (5134272).

Almost surely, 2^68563827 is an apocalyptic number.

68563827 is a deficient number, since it is larger than the sum of its proper divisors (34121613).

68563827 is a wasteful number, since it uses less digits than its factorization.

68563827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2175 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 68563827 is about 8280.3277109061. The cubic root of 68563827 is about 409.2905179824.

The spelling of 68563827 in words is "sixty-eight million, five hundred sixty-three thousand, eight hundred twenty-seven".