86868151 has 2 divisors, whose sum is σ = 86868152. Its totient is φ = 86868150.

The previous prime is 86868149. The next prime is 86868157. The reversal of 86868151 is 15186868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86868151 - 2¹ = 86868149 is a prime.

Together with 86868149, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 86868098 and 86868107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86868157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43434075 + 43434076.

It is an arithmetic number, because the mean of its divisors is an integer number (43434076).

Almost surely, 2^86868151 is an apocalyptic number.

86868151 is a deficient number, since it is larger than the sum of its proper divisors (1).

86868151 is an equidigital number, since it uses as much as digits as its factorization.

86868151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 43.

The square root of 86868151 is about 9320.3085249363. The cubic root of 86868151 is about 442.8808063913.

The spelling of 86868151 in words is "eighty-six million, eight hundred sixty-eight thousand, one hundred fifty-one".