68422087 has 2 divisors, whose sum is σ = 68422088. Its totient is φ = 68422086.

The previous prime is 68422063. The next prime is 68422103. The reversal of 68422087 is 78022486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68422087 - 2⁷ = 68421959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68422037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34211043 + 34211044.

It is an arithmetic number, because the mean of its divisors is an integer number (34211044).

Almost surely, 2^68422087 is an apocalyptic number.

68422087 is a deficient number, since it is larger than the sum of its proper divisors (1).

68422087 is an equidigital number, since it uses as much as digits as its factorization.

68422087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 68422087 is about 8271.7644429710. The cubic root of 68422087 is about 409.0082852920.

The spelling of 68422087 in words is "sixty-eight million, four hundred twenty-two thousand, eighty-seven".