68827877 has 4 divisors (see below), whose sum is σ = 69225900. Its totient is φ = 68429856.

The previous prime is 68827819. The next prime is 68827901. The reversal of 68827877 is 77872886.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36554116 + 32273761 = 6046^2 + 5681^2 .

It is a cyclic number.

It is not a de Polignac number, because 68827877 - 2⁶ = 68827813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68827277) 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 3 ways as a sum of consecutive naturals, for example, 198752 + ... + 199097.

It is an arithmetic number, because the mean of its divisors is an integer number (17306475).

Almost surely, 2^68827877 is an apocalyptic number.

It is an amenable number.

68827877 is a deficient number, since it is larger than the sum of its proper divisors (398023).

68827877 is a wasteful number, since it uses less digits than its factorization.

68827877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398022.

The product of its digits is 2107392, while the sum is 53.

The square root of 68827877 is about 8296.2568065363. The cubic root of 68827877 is about 409.8152588286.

The spelling of 68827877 in words is "sixty-eight million, eight hundred twenty-seven thousand, eight hundred seventy-seven".