68579387 has 2 divisors, whose sum is σ = 68579388. Its totient is φ = 68579386.

The previous prime is 68579359. The next prime is 68579419. The reversal of 68579387 is 78397586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68579387 - 2⁸ = 68579131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68570387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34289693 + 34289694.

It is an arithmetic number, because the mean of its divisors is an integer number (34289694).

Almost surely, 2^68579387 is an apocalyptic number.

68579387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68579387 is an equidigital number, since it uses as much as digits as its factorization.

68579387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 68579387 is about 8281.2672339443. The cubic root of 68579387 is about 409.3214773528.

The spelling of 68579387 in words is "sixty-eight million, five hundred seventy-nine thousand, three hundred eighty-seven".