68793811 has 4 divisors (see below), whose sum is σ = 68826400. Its totient is φ = 68761224.

The previous prime is 68793799. The next prime is 68793847. The reversal of 68793811 is 11839786.

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

It is a cyclic number.

It is not a de Polignac number, because 68793811 - 2²¹ = 66696659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68793871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12891 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (17206600).

Almost surely, 2^68793811 is an apocalyptic number.

68793811 is a deficient number, since it is larger than the sum of its proper divisors (32589).

68793811 is a wasteful number, since it uses less digits than its factorization.

68793811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32588.

The product of its digits is 72576, while the sum is 43.

The square root of 68793811 is about 8294.2034578373. The cubic root of 68793811 is about 409.7476356933.

The spelling of 68793811 in words is "sixty-eight million, seven hundred ninety-three thousand, eight hundred eleven".