68771799 has 6 divisors (see below), whose sum is σ = 99337056. Its totient is φ = 45847860.

The previous prime is 68771797. The next prime is 68771803. The reversal of 68771799 is 99717786.

It is not a de Polignac number, because 68771799 - 2¹ = 68771797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68771797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3820647 + ... + 3820664.

It is an arithmetic number, because the mean of its divisors is an integer number (16556176).

Almost surely, 2^68771799 is an apocalyptic number.

68771799 is a deficient number, since it is larger than the sum of its proper divisors (30565257).

68771799 is a wasteful number, since it uses less digits than its factorization.

68771799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641317 (or 7641314 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 54.

The square root of 68771799 is about 8292.8764008636. The cubic root of 68771799 is about 409.7039286264.

The spelling of 68771799 in words is "sixty-eight million, seven hundred seventy-one thousand, seven hundred ninety-nine".