87118806 has 16 divisors (see below), whose sum is σ = 175492800. Its totient is φ = 28830408.

The previous prime is 87118789. The next prime is 87118847. The reversal of 87118806 is 60881178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51396 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (10968300).

Almost surely, 2^87118806 is an apocalyptic number.

87118806 is an abundant number, since it is smaller than the sum of its proper divisors (88373994).

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

87118806 is a wasteful number, since it uses less digits than its factorization.

87118806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104603.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 87118806 is about 9333.7455504208. The cubic root of 87118806 is about 443.3063696769.

The spelling of 87118806 in words is "eighty-seven million, one hundred eighteen thousand, eight hundred six".