67888589 has 2 divisors, whose sum is σ = 67888590. Its totient is φ = 67888588.

The previous prime is 67888553. The next prime is 67888591. The reversal of 67888589 is 98588876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39904489 + 27984100 = 6317^2 + 5290^2 .

It is a cyclic number.

It is not a de Polignac number, because 67888589 - 2²⁴ = 51111373 is a prime.

Together with 67888591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67888549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33944294 + 33944295.

It is an arithmetic number, because the mean of its divisors is an integer number (33944295).

Almost surely, 2^67888589 is an apocalyptic number.

It is an amenable number.

67888589 is a deficient number, since it is larger than the sum of its proper divisors (1).

67888589 is an equidigital number, since it uses as much as digits as its factorization.

67888589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 59.

The square root of 67888589 is about 8239.4531978767. The cubic root of 67888589 is about 407.9424759507.

The spelling of 67888589 in words is "sixty-seven million, eight hundred eighty-eight thousand, five hundred eighty-nine".