87110687 has 4 divisors (see below), whose sum is σ = 91695480. Its totient is φ = 82525896.

The previous prime is 87110671. The next prime is 87110689. The reversal of 87110687 is 78601178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78601178 = 2 ⋅39300589.

It is a cyclic number.

It is not a de Polignac number, because 87110687 - 2⁴ = 87110671 is a prime.

It is a super-2 number, since 2×87110687² = 15176543579223938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87110687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87110689) 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 in 3 ways as a sum of consecutive naturals, for example, 2292368 + ... + 2292405.

It is an arithmetic number, because the mean of its divisors is an integer number (22923870).

Almost surely, 2^87110687 is an apocalyptic number.

87110687 is a deficient number, since it is larger than the sum of its proper divisors (4584793).

87110687 is a wasteful number, since it uses less digits than its factorization.

87110687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584792.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 87110687 is about 9333.3106130676. The cubic root of 87110687 is about 443.2925979996.

The spelling of 87110687 in words is "eighty-seven million, one hundred ten thousand, six hundred eighty-seven".