68152087 has 2 divisors, whose sum is σ = 68152088. Its totient is φ = 68152086.

The previous prime is 68152057. The next prime is 68152109. The reversal of 68152087 is 78025186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68152087 - 2⁷ = 68151959 is a prime.

It is a super-3 number, since 3×68152087³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68152027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34076043 + 34076044.

It is an arithmetic number, because the mean of its divisors is an integer number (34076044).

Almost surely, 2^68152087 is an apocalyptic number.

68152087 is a deficient number, since it is larger than the sum of its proper divisors (1).

68152087 is an equidigital number, since it uses as much as digits as its factorization.

68152087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 68152087 is about 8255.4277296818. The cubic root of 68152087 is about 408.4695810039.

The spelling of 68152087 in words is "sixty-eight million, one hundred fifty-two thousand, eighty-seven".