68799785 has 16 divisors (see below), whose sum is σ = 88159104. Its totient is φ = 51418752.

The previous prime is 68799769. The next prime is 68799791. The reversal of 68799785 is 58799786.

It is a cyclic number.

It is not a de Polignac number, because 68799785 - 2⁴ = 68799769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (5509944).

Almost surely, 2^68799785 is an apocalyptic number.

It is an amenable number.

68799785 is a deficient number, since it is larger than the sum of its proper divisors (19359319).

68799785 is a wasteful number, since it uses less digits than its factorization.

68799785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984.

The product of its digits is 7620480, while the sum is 59.

The square root of 68799785 is about 8294.5635810451. The cubic root of 68799785 is about 409.7594960700.

Subtracting from 68799785 its reverse (58799786), we obtain a palindrome (9999999).

The spelling of 68799785 in words is "sixty-eight million, seven hundred ninety-nine thousand, seven hundred eighty-five".