87118606 has 4 divisors (see below), whose sum is σ = 130677912. Its totient is φ = 43559302.

The previous prime is 87118601. The next prime is 87118627. The reversal of 87118606 is 60681178.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×87118606² = 15179303022766472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87118601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21779650 + ... + 21779653.

It is an arithmetic number, because the mean of its divisors is an integer number (32669478).

Almost surely, 2^87118606 is an apocalyptic number.

87118606 is a deficient number, since it is larger than the sum of its proper divisors (43559306).

87118606 is a wasteful number, since it uses less digits than its factorization.

87118606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43559305.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 87118606 is about 9333.7348366021. The cubic root of 87118606 is about 443.3060304415.

The spelling of 87118606 in words is "eighty-seven million, one hundred eighteen thousand, six hundred six".