8871851618 has 8 divisors (see below), whose sum is σ = 15208888512. Its totient is φ = 3802222116.

The previous prime is 8871851603. The next prime is 8871851627. The reversal of 8871851618 is 8161581788.

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

It is a super-2 number, since 2×8871851618² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8871851618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316851830 + ... + 316851857.

It is an arithmetic number, because the mean of its divisors is an integer number (1901111064).

Almost surely, 2^8871851618 is an apocalyptic number.

8871851618 is a deficient number, since it is larger than the sum of its proper divisors (6337036894).

8871851618 is a wasteful number, since it uses less digits than its factorization.

8871851618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633703696.

The product of its digits is 860160, while the sum is 53.

The square root of 8871851618 is about 94190.5070482159. The cubic root of 8871851618 is about 2070.1640217918.

The spelling of 8871851618 in words is "eight billion, eight hundred seventy-one million, eight hundred fifty-one thousand, six hundred eighteen".