68959231 has 24 divisors (see below), whose sum is σ = 79287152. Its totient is φ = 59875200.

The previous prime is 68959223. The next prime is 68959237. The reversal of 68959231 is 13295986.

It is a happy number.

It is not a de Polignac number, because 68959231 - 2³ = 68959223 is a prime.

It is a super-2 number, since 2×68959231² = 9510751080222722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68959237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326716 + ... + 326926.

Almost surely, 2^68959231 is an apocalyptic number.

68959231 is a deficient number, since it is larger than the sum of its proper divisors (10327921).

68959231 is a wasteful number, since it uses less digits than its factorization.

68959231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 332 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 68959231 is about 8304.1694948983. The cubic root of 68959231 is about 410.0757960206.

The spelling of 68959231 in words is "sixty-eight million, nine hundred fifty-nine thousand, two hundred thirty-one".