89188557056 has 36 divisors (see below), whose sum is σ = 178047991632. Its totient is φ = 44589451776.

The previous prime is 89188557047. The next prime is 89188557067. The reversal of 89188557056 is 65075588198.

It is a self number, because there is not a number n which added to its sum of digits gives 89188557056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133111 + ... + 4154633.

Almost surely, 2^89188557056 is an apocalyptic number.

It is an amenable number.

89188557056 is a deficient number, since it is larger than the sum of its proper divisors (88859434576).

89188557056 is a wasteful number, since it uses less digits than its factorization.

89188557056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37726 (or 37712 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 62.

The spelling of 89188557056 in words is "eighty-nine billion, one hundred eighty-eight million, five hundred fifty-seven thousand, fifty-six".