89641784765048 has 8 divisors (see below), whose sum is σ = 168078346434480. Its totient is φ = 44820892382520.

The previous prime is 89641784765041. The next prime is 89641784765081. The reversal of 89641784765048 is 84056748714698.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 89641784765048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89641784765041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602611547808 + ... + 5602611547823.

It is an arithmetic number, because the mean of its divisors is an integer number (21009793304310).

Almost surely, 2^{89641784765048} is an apocalyptic number.

It is an amenable number.

89641784765048 is a deficient number, since it is larger than the sum of its proper divisors (78436561669432).

89641784765048 is a wasteful number, since it uses less digits than its factorization.

89641784765048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205223095637 (or 11205223095633 counting only the distinct ones).

The product of its (nonzero) digits is 2601123840, while the sum is 77.

The spelling of 89641784765048 in words is "eighty-nine trillion, six hundred forty-one billion, seven hundred eighty-four million, seven hundred sixty-five thousand, forty-eight".