87153289 has 2 divisors, whose sum is σ = 87153290. Its totient is φ = 87153288.

The previous prime is 87153277. The next prime is 87153299. The reversal of 87153289 is 98235178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87104889 + 48400 = 9333^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 87153289 - 2¹¹ = 87151241 is a prime.

It is not a weakly prime, because it can be changed into another prime (87153259) 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, 43576644 + 43576645.

It is an arithmetic number, because the mean of its divisors is an integer number (43576645).

Almost surely, 2^87153289 is an apocalyptic number.

It is an amenable number.

87153289 is a deficient number, since it is larger than the sum of its proper divisors (1).

87153289 is an equidigital number, since it uses as much as digits as its factorization.

87153289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 87153289 is about 9335.5925896539. The cubic root of 87153289 is about 443.3648511835.

The spelling of 87153289 in words is "eighty-seven million, one hundred fifty-three thousand, two hundred eighty-nine".