87725606 has 8 divisors (see below), whose sum is σ = 131657400. Its totient is φ = 43839808.

The previous prime is 87725587. The next prime is 87725639. The reversal of 87725606 is 60652778.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6251 + ... + 14646.

It is an arithmetic number, because the mean of its divisors is an integer number (16457175).

Almost surely, 2^87725606 is an apocalyptic number.

87725606 is a deficient number, since it is larger than the sum of its proper divisors (43931794).

87725606 is a wasteful number, since it uses less digits than its factorization.

87725606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22998.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 87725606 is about 9366.1948516994. The cubic root of 87725606 is about 444.3332285934. Note that the first 3 decimals are identical.

The spelling of 87725606 in words is "eighty-seven million, seven hundred twenty-five thousand, six hundred six".