87605806 has 8 divisors (see below), whose sum is σ = 131514984. Its totient is φ = 43767480.

The previous prime is 87605797. The next prime is 87605809. The reversal of 87605806 is 60850678.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87605809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14505 + ... + 19636.

It is an arithmetic number, because the mean of its divisors is an integer number (16439373).

Almost surely, 2^87605806 is an apocalyptic number.

87605806 is a deficient number, since it is larger than the sum of its proper divisors (43909178).

87605806 is a wasteful number, since it uses less digits than its factorization.

87605806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35426.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 87605806 is about 9359.7973268656. The cubic root of 87605806 is about 444.1308727371.

The spelling of 87605806 in words is "eighty-seven million, six hundred five thousand, eight hundred six".