87534011 has 4 divisors (see below), whose sum is σ = 87556152. Its totient is φ = 87511872.

The previous prime is 87534001. The next prime is 87534017. The reversal of 87534011 is 11043578.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87534011 - 2¹⁴ = 87517627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87534017) 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 in 3 ways as a sum of consecutive naturals, for example, 3341 + ... + 13646.

It is an arithmetic number, because the mean of its divisors is an integer number (21889038).

Almost surely, 2^87534011 is an apocalyptic number.

87534011 is a deficient number, since it is larger than the sum of its proper divisors (22141).

87534011 is a wasteful number, since it uses less digits than its factorization.

87534011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22140.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 87534011 is about 9355.9612547295. The cubic root of 87534011 is about 444.0095143783.

Adding to 87534011 its reverse (11043578), we get a palindrome (98577589).

The spelling of 87534011 in words is "eighty-seven million, five hundred thirty-four thousand, eleven".