87606858 has 32 divisors (see below), whose sum is σ = 181149120. Its totient is φ = 28229760.

The previous prime is 87606847. The next prime is 87606859. The reversal of 87606858 is 85860678.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87606859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19566 + ... + 23622.

It is an arithmetic number, because the mean of its divisors is an integer number (5660910).

Almost surely, 2^87606858 is an apocalyptic number.

87606858 is an abundant number, since it is smaller than the sum of its proper divisors (93542262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87606858 is a wasteful number, since it uses less digits than its factorization.

87606858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 87606858 is about 9359.8535244949. The cubic root of 87606858 is about 444.1326504876.

The spelling of 87606858 in words is "eighty-seven million, six hundred six thousand, eight hundred fifty-eight".