87862218 has 8 divisors (see below), whose sum is σ = 175724448. Its totient is φ = 29287404.

The previous prime is 87862217. The next prime is 87862253. The reversal of 87862218 is 81226878.

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

87862218 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 87862218.

It is not an unprimeable number, because it can be changed into a prime (87862217) 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, 7321846 + ... + 7321857.

It is an arithmetic number, because the mean of its divisors is an integer number (21965556).

Almost surely, 2^87862218 is an apocalyptic number.

87862218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87862218 is a wasteful number, since it uses less digits than its factorization.

87862218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14643708.

The product of its digits is 86016, while the sum is 42.

The square root of 87862218 is about 9373.4848375617. The cubic root of 87862218 is about 444.5637571385.

The spelling of 87862218 in words is "eighty-seven million, eight hundred sixty-two thousand, two hundred eighteen".