87417506 has 16 divisors (see below), whose sum is σ = 143196768. Its totient is φ = 39693600.

The previous prime is 87417497. The next prime is 87417559. The reversal of 87417506 is 60571478.

It is a self number, because there is not a number n which added to its sum of digits gives 87417506.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31241 + ... + 33923.

It is an arithmetic number, because the mean of its divisors is an integer number (8949798).

Almost surely, 2^87417506 is an apocalyptic number.

87417506 is a deficient number, since it is larger than the sum of its proper divisors (55779262).

87417506 is a wasteful number, since it uses less digits than its factorization.

87417506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 87417506 is about 9349.7329373624. The cubic root of 87417506 is about 443.8124393789.

The spelling of 87417506 in words is "eighty-seven million, four hundred seventeen thousand, five hundred six".