87110725 has 24 divisors (see below), whose sum is σ = 122457440. Its totient is φ = 60937920.

The previous prime is 87110719. The next prime is 87110759. The reversal of 87110725 is 52701178.

It is a happy number.

It is not a de Polignac number, because 87110725 - 2¹⁷ = 86979653 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 879 + ... + 13228.

Almost surely, 2^87110725 is an apocalyptic number.

It is an amenable number.

87110725 is a deficient number, since it is larger than the sum of its proper divisors (35346715).

87110725 is a wasteful number, since it uses less digits than its factorization.

87110725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149 (or 14144 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 87110725 is about 9333.3126487866. The cubic root of 87110725 is about 443.2926624583.

The spelling of 87110725 in words is "eighty-seven million, one hundred ten thousand, seven hundred twenty-five".