68989267 has 2 divisors, whose sum is σ = 68989268. Its totient is φ = 68989266.

The previous prime is 68989253. The next prime is 68989301. The reversal of 68989267 is 76298986.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68989267 is a prime.

It is a super-2 number, since 2×68989267² = 9519037922394578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68989237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34494633 + 34494634.

It is an arithmetic number, because the mean of its divisors is an integer number (34494634).

Almost surely, 2^68989267 is an apocalyptic number.

68989267 is a deficient number, since it is larger than the sum of its proper divisors (1).

68989267 is an equidigital number, since it uses as much as digits as its factorization.

68989267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 68989267 is about 8305.9777871121. The cubic root of 68989267 is about 410.1353251490.

The spelling of 68989267 in words is "sixty-eight million, nine hundred eighty-nine thousand, two hundred sixty-seven".