89649089144 has 64 divisors (see below), whose sum is σ = 183134831040. Its totient is φ = 40981657600.

The previous prime is 89649089107. The next prime is 89649089149. The reversal of 89649089144 is 44198094698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89649089149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666437 + ... + 789579.

It is an arithmetic number, because the mean of its divisors is an integer number (2861481735).

Almost surely, 2^89649089144 is an apocalyptic number.

It is an amenable number.

89649089144 is an abundant number, since it is smaller than the sum of its proper divisors (93485741896).

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

89649089144 is a wasteful number, since it uses less digits than its factorization.

89649089144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123320 (or 123316 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 62.

The spelling of 89649089144 in words is "eighty-nine billion, six hundred forty-nine million, eighty-nine thousand, one hundred forty-four".