68838771 has 8 divisors (see below), whose sum is σ = 92643264. Its totient is φ = 45463400.

The previous prime is 68838761. The next prime is 68838787. The reversal of 68838771 is 17783886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68838771 - 2⁵ = 68838739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68838771.

It is not an unprimeable number, because it can be changed into a prime (68838761) 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 7 ways as a sum of consecutive naturals, for example, 106905 + ... + 107546.

It is an arithmetic number, because the mean of its divisors is an integer number (11580408).

Almost surely, 2^68838771 is an apocalyptic number.

68838771 is a deficient number, since it is larger than the sum of its proper divisors (23804493).

68838771 is a wasteful number, since it uses less digits than its factorization.

68838771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214561.

The product of its digits is 451584, while the sum is 48.

The square root of 68838771 is about 8296.9133417193. The cubic root of 68838771 is about 409.8368793894.

The spelling of 68838771 in words is "sixty-eight million, eight hundred thirty-eight thousand, seven hundred seventy-one".