87266299 has 2 divisors, whose sum is σ = 87266300. Its totient is φ = 87266298.

The previous prime is 87266273. The next prime is 87266303. The reversal of 87266299 is 99266278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87266299 - 2¹¹ = 87264251 is a prime.

It is not a weakly prime, because it can be changed into another prime (87266269) 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, 43633149 + 43633150.

It is an arithmetic number, because the mean of its divisors is an integer number (43633150).

Almost surely, 2^87266299 is an apocalyptic number.

87266299 is a deficient number, since it is larger than the sum of its proper divisors (1).

87266299 is an equidigital number, since it uses as much as digits as its factorization.

87266299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 87266299 is about 9341.6432708598. The cubic root of 87266299 is about 443.5564026496.

The spelling of 87266299 in words is "eighty-seven million, two hundred sixty-six thousand, two hundred ninety-nine".