68869239 has 4 divisors (see below), whose sum is σ = 91825656. Its totient is φ = 45912824.

The previous prime is 68869237. The next prime is 68869249. The reversal of 68869239 is 93296886.

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

It is a cyclic number.

It is not a de Polignac number, because 68869239 - 2¹ = 68869237 is a prime.

It is a super-3 number, since 3×68869239³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68869191 and 68869200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68869237) 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, 11478204 + ... + 11478209.

It is an arithmetic number, because the mean of its divisors is an integer number (22956414).

Almost surely, 2^68869239 is an apocalyptic number.

68869239 is a deficient number, since it is larger than the sum of its proper divisors (22956417).

68869239 is a wasteful number, since it uses less digits than its factorization.

68869239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22956416.

The product of its digits is 1119744, while the sum is 51.

The square root of 68869239 is about 8298.7492431089. The cubic root of 68869239 is about 409.8973349926.

The spelling of 68869239 in words is "sixty-eight million, eight hundred sixty-nine thousand, two hundred thirty-nine".