87013611 has 12 divisors (see below), whose sum is σ = 126070360. Its totient is φ = 57831840.

The previous prime is 87013607. The next prime is 87013643. The reversal of 87013611 is 11631078.

It is not a de Polignac number, because 87013611 - 2² = 87013607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87013691) 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 11 ways as a sum of consecutive naturals, for example, 11626 + ... + 17583.

Almost surely, 2^87013611 is an apocalyptic number.

87013611 is a deficient number, since it is larger than the sum of its proper divisors (39056749).

87013611 is a wasteful number, since it uses less digits than its factorization.

87013611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29546 (or 29543 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 87013611 is about 9328.1086507394. The cubic root of 87013611 is about 443.1278686231.

Adding to 87013611 its reverse (11631078), we get a palindrome (98644689).

The spelling of 87013611 in words is "eighty-seven million, thirteen thousand, six hundred eleven".