89988655688998 has 8 divisors (see below), whose sum is σ = 147254163854760. Its totient is φ = 40903934404080.

The previous prime is 89988655688993. The next prime is 89988655689001.

89988655688998 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×89988655688998² (a number of 29 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 89988655688998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89988655688993) 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, 2045196720183 + ... + 2045196720226.

It is an arithmetic number, because the mean of its divisors is an integer number (18406770481845).

Almost surely, 2^{89988655688998} is an apocalyptic number.

89988655688998 is a deficient number, since it is larger than the sum of its proper divisors (57265508165762).

89988655688998 is a wasteful number, since it uses less digits than its factorization.

89988655688998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090393440422.

The product of its digits is 1547934105600, while the sum is 106.

The spelling of 89988655688998 in words is "eighty-nine trillion, nine hundred eighty-eight billion, six hundred fifty-five million, six hundred eighty-eight thousand, nine hundred ninety-eight".