87269587 has 2 divisors, whose sum is σ = 87269588. Its totient is φ = 87269586.

The previous prime is 87269543. The next prime is 87269591. The reversal of 87269587 is 78596278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87269587 - 2¹⁵ = 87236819 is a prime.

It is not a weakly prime, because it can be changed into another prime (87269537) 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, 43634793 + 43634794.

It is an arithmetic number, because the mean of its divisors is an integer number (43634794).

Almost surely, 2^87269587 is an apocalyptic number.

87269587 is a deficient number, since it is larger than the sum of its proper divisors (1).

87269587 is an equidigital number, since it uses as much as digits as its factorization.

87269587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The square root of 87269587 is about 9341.8192553699. The cubic root of 87269587 is about 443.5619733191.

The spelling of 87269587 in words is "eighty-seven million, two hundred sixty-nine thousand, five hundred eighty-seven".