87200297 has 2 divisors, whose sum is σ = 87200298. Its totient is φ = 87200296.

The previous prime is 87200263. The next prime is 87200339. The reversal of 87200297 is 79200278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74978281 + 12222016 = 8659^2 + 3496^2 .

It is a cyclic number.

It is not a de Polignac number, because 87200297 - 2⁶ = 87200233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87200207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43600148 + 43600149.

It is an arithmetic number, because the mean of its divisors is an integer number (43600149).

Almost surely, 2^87200297 is an apocalyptic number.

It is an amenable number.

87200297 is a deficient number, since it is larger than the sum of its proper divisors (1).

87200297 is an equidigital number, since it uses as much as digits as its factorization.

87200297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 87200297 is about 9338.1099265322. The cubic root of 87200297 is about 443.4445496441. Note that the first 3 decimals are identical.

The spelling of 87200297 in words is "eighty-seven million, two hundred thousand, two hundred ninety-seven".