88661119988 has 36 divisors (see below), whose sum is σ = 180506091780. Its totient is φ = 37993963392.

The previous prime is 88661119873. The next prime is 88661119991. The reversal of 88661119988 is 88991116688.

It can be written as a sum of positive squares in 2 ways, for example, as 29067522064 + 59593597924 = 170492^2 + 244118^2 .

88661119988 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3333848 + ... + 3360336.

It is an arithmetic number, because the mean of its divisors is an integer number (5014058105).

Almost surely, 2^88661119988 is an apocalyptic number.

It is an amenable number.

88661119988 is an abundant number, since it is smaller than the sum of its proper divisors (91844971792).

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

88661119988 is a wasteful number, since it uses less digits than its factorization.

88661119988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43584 (or 43575 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 65.

The spelling of 88661119988 in words is "eighty-eight billion, six hundred sixty-one million, one hundred nineteen thousand, nine hundred eighty-eight".