87662611 has 4 divisors (see below), whose sum is σ = 87690352. Its totient is φ = 87634872.

The previous prime is 87662609. The next prime is 87662629. The reversal of 87662611 is 11626678.

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 87662611 - 2¹ = 87662609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87662111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8415 + ... + 15688.

It is an arithmetic number, because the mean of its divisors is an integer number (21922588).

Almost surely, 2^87662611 is an apocalyptic number.

87662611 is a deficient number, since it is larger than the sum of its proper divisors (27741).

87662611 is a wasteful number, since it uses less digits than its factorization.

87662611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740.

The product of its digits is 24192, while the sum is 37.

The square root of 87662611 is about 9362.8313559521. The cubic root of 87662611 is about 444.2268458406.

The spelling of 87662611 in words is "eighty-seven million, six hundred sixty-two thousand, six hundred eleven".