87469818 has 16 divisors (see below), whose sum is σ = 175061856. Its totient is φ = 29136240.

The previous prime is 87469751. The next prime is 87469843. The reversal of 87469818 is 81896478.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (10941366).

Almost surely, 2^87469818 is an apocalyptic number.

87469818 is an abundant number, since it is smaller than the sum of its proper divisors (87592038).

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

87469818 is a wasteful number, since it uses less digits than its factorization.

87469818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189.

The product of its digits is 774144, while the sum is 51.

The square root of 87469818 is about 9352.5300320288. The cubic root of 87469818 is about 443.9009498228.

The spelling of 87469818 in words is "eighty-seven million, four hundred sixty-nine thousand, eight hundred eighteen".