87530011 has 2 divisors, whose sum is σ = 87530012. Its totient is φ = 87530010.

The previous prime is 87529997. The next prime is 87530029. The reversal of 87530011 is 11003578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87530011 - 2⁹ = 87529499 is a prime.

It is not a weakly prime, because it can be changed into another prime (87530071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43765005 + 43765006.

It is an arithmetic number, because the mean of its divisors is an integer number (43765006).

Almost surely, 2^87530011 is an apocalyptic number.

87530011 is a deficient number, since it is larger than the sum of its proper divisors (1).

87530011 is an equidigital number, since it uses as much as digits as its factorization.

87530011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 87530011 is about 9355.7474848352. The cubic root of 87530011 is about 444.0027510448.

Adding to 87530011 its reverse (11003578), we get a palindrome (98533589).

The spelling of 87530011 in words is "eighty-seven million, five hundred thirty thousand, eleven".