87226859 has 2 divisors, whose sum is σ = 87226860. Its totient is φ = 87226858.

The previous prime is 87226849. The next prime is 87226873. The reversal of 87226859 is 95862278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87226859 - 2¹⁶ = 87161323 is a prime.

It is a super-3 number, since 3×87226859³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87226819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43613429 + 43613430.

It is an arithmetic number, because the mean of its divisors is an integer number (43613430).

Almost surely, 2^87226859 is an apocalyptic number.

87226859 is a deficient number, since it is larger than the sum of its proper divisors (1).

87226859 is an equidigital number, since it uses as much as digits as its factorization.

87226859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 87226859 is about 9339.5320546588. The cubic root of 87226859 is about 443.4895708148.

The spelling of 87226859 in words is "eighty-seven million, two hundred twenty-six thousand, eight hundred fifty-nine".