68884129 has 8 divisors (see below), whose sum is σ = 70744320. Its totient is φ = 67048800.

The previous prime is 68884087. The next prime is 68884147. The reversal of 68884129 is 92148886.

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

It is a cyclic number.

It is not a de Polignac number, because 68884129 - 2⁷ = 68884001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68884169) 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 7 ways as a sum of consecutive naturals, for example, 532 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (8843040).

Almost surely, 2^68884129 is an apocalyptic number.

It is an amenable number.

68884129 is a deficient number, since it is larger than the sum of its proper divisors (1860191).

68884129 is a wasteful number, since it uses less digits than its factorization.

68884129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its digits is 221184, while the sum is 46.

The square root of 68884129 is about 8299.6463177656. The cubic root of 68884129 is about 409.9268737320.

The spelling of 68884129 in words is "sixty-eight million, eight hundred eighty-four thousand, one hundred twenty-nine".