88876661866 has 8 divisors (see below), whose sum is σ = 133490179044. Its totient is φ = 44379935520.

The previous prime is 88876661851. The next prime is 88876661921. The reversal of 88876661866 is 66816667888.

It can be written as a sum of positive squares in 2 ways, for example, as 82797185025 + 6079476841 = 287745^2 + 77971^2 .

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

It is a super-2 number, since 2×88876661866² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88876661795 and 88876661804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29195805 + ... + 29198848.

Almost surely, 2^88876661866 is an apocalyptic number.

88876661866 is a deficient number, since it is larger than the sum of its proper divisors (44613517178).

88876661866 is a wasteful number, since it uses less digits than its factorization.

88876661866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58395416.

The product of its digits is 222953472, while the sum is 70.

The spelling of 88876661866 in words is "eighty-eight billion, eight hundred seventy-six million, six hundred sixty-one thousand, eight hundred sixty-six".