68788786 has 16 divisors (see below), whose sum is σ = 112779360. Its totient is φ = 31207680.

The previous prime is 68788781. The next prime is 68788787.

68788786 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 68788786.

It is not an unprimeable number, because it can be changed into a prime (68788781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9985 + ... + 15403.

It is an arithmetic number, because the mean of its divisors is an integer number (7048710).

Almost surely, 2^68788786 is an apocalyptic number.

68788786 is a deficient number, since it is larger than the sum of its proper divisors (43990574).

68788786 is a wasteful number, since it uses less digits than its factorization.

68788786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009.

The product of its digits is 7225344, while the sum is 58.

The square root of 68788786 is about 8293.9005299075. The cubic root of 68788786 is about 409.7376588656.

The spelling of 68788786 in words is "sixty-eight million, seven hundred eighty-eight thousand, seven hundred eighty-six".