68869669 has 8 divisors (see below), whose sum is σ = 79550208. Its totient is φ = 58925760.

The previous prime is 68869667. The next prime is 68869673. The reversal of 68869669 is 96696886.

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 68869669 - 2¹ = 68869667 is a prime.

It is a super-2 number, since 2×68869669² = 9486062616339122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68869663) 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, 183957 + ... + 184330.

It is an arithmetic number, because the mean of its divisors is an integer number (9943776).

Almost surely, 2^68869669 is an apocalyptic number.

It is an amenable number.

68869669 is a deficient number, since it is larger than the sum of its proper divisors (10680539).

68869669 is a wasteful number, since it uses less digits than its factorization.

68869669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368315.

The product of its digits is 6718464, while the sum is 58.

The square root of 68869669 is about 8298.7751505870. The cubic root of 68869669 is about 409.8981880850.

The spelling of 68869669 in words is "sixty-eight million, eight hundred sixty-nine thousand, six hundred sixty-nine".