87800267 has 2 divisors, whose sum is σ = 87800268. Its totient is φ = 87800266.

The previous prime is 87800243. The next prime is 87800287. The reversal of 87800267 is 76200878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87800267 - 2²⁶ = 20691403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87800267.

It is not a weakly prime, because it can be changed into another prime (87800227) 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, 43900133 + 43900134.

It is an arithmetic number, because the mean of its divisors is an integer number (43900134).

Almost surely, 2^87800267 is an apocalyptic number.

87800267 is a deficient number, since it is larger than the sum of its proper divisors (1).

87800267 is an equidigital number, since it uses as much as digits as its factorization.

87800267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 87800267 is about 9370.1796674343. The cubic root of 87800267 is about 444.4592463658.

The spelling of 87800267 in words is "eighty-seven million, eight hundred thousand, two hundred sixty-seven".