68899697 has 8 divisors (see below), whose sum is σ = 73426176. Its totient is φ = 64500832.

The previous prime is 68899673. The next prime is 68899709. The reversal of 68899697 is 79699886.

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

It is not a de Polignac number, because 68899697 - 2¹⁰ = 68898673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68899627) 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, 30788 + ... + 32949.

It is an arithmetic number, because the mean of its divisors is an integer number (9178272).

Almost surely, 2^68899697 is an apocalyptic number.

It is an amenable number.

68899697 is a deficient number, since it is larger than the sum of its proper divisors (4526479).

68899697 is a wasteful number, since it uses less digits than its factorization.

68899697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63807.

The product of its digits is 11757312, while the sum is 62.

The square root of 68899697 is about 8300.5841360714. The cubic root of 68899697 is about 409.9577529343.

It can be divided in two parts, 68899 and 697, that added together give a palindrome (69596).

The spelling of 68899697 in words is "sixty-eight million, eight hundred ninety-nine thousand, six hundred ninety-seven".