68886269 has 4 divisors (see below), whose sum is σ = 69495996. Its totient is φ = 68276544.

The previous prime is 68886241. The next prime is 68886277. The reversal of 68886269 is 96268886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17935225 + 50951044 = 4235^2 + 7138^2 .

It is a cyclic number.

It is not a de Polignac number, because 68886269 - 2¹⁶ = 68820733 is a prime.

It is a super-2 number, since 2×68886269² = 9490636113480722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68886269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68886239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304694 + ... + 304919.

It is an arithmetic number, because the mean of its divisors is an integer number (17373999).

Almost surely, 2^68886269 is an apocalyptic number.

It is an amenable number.

68886269 is a deficient number, since it is larger than the sum of its proper divisors (609727).

68886269 is a wasteful number, since it uses less digits than its factorization.

68886269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609726.

The product of its digits is 1990656, while the sum is 53.

The square root of 68886269 is about 8299.7752379206. The cubic root of 68886269 is about 409.9311187080.

The spelling of 68886269 in words is "sixty-eight million, eight hundred eighty-six thousand, two hundred sixty-nine".