68899369 has 16 divisors (see below), whose sum is σ = 86083200. Its totient is φ = 53573760.

The previous prime is 68899367. The next prime is 68899399. The reversal of 68899369 is 96399886.

It is a cyclic number.

It is not a de Polignac number, because 68899369 - 2¹ = 68899367 is a prime.

It is a super-2 number, since 2×68899369² = 9494246097196322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68899367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65157 + ... + 66205.

It is an arithmetic number, because the mean of its divisors is an integer number (5380200).

Almost surely, 2^68899369 is an apocalyptic number.

It is an amenable number.

68899369 is a deficient number, since it is larger than the sum of its proper divisors (17183831).

68899369 is a wasteful number, since it uses less digits than its factorization.

68899369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920.

The product of its digits is 5038848, while the sum is 58.

The square root of 68899369 is about 8300.5643784022. The cubic root of 68899369 is about 409.9571023927.

The spelling of 68899369 in words is "sixty-eight million, eight hundred ninety-nine thousand, three hundred sixty-nine".