89653604964 has 144 divisors (see below), whose sum is σ = 265741660800. Its totient is φ = 23024770560.

The previous prime is 89653604959. The next prime is 89653604983. The reversal of 89653604964 is 46940635698.

It is a junction number, because it is equal to n+sod(n) for n = 89653604898 and 89653604907.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855042 + ... + 954150.

It is an arithmetic number, because the mean of its divisors is an integer number (1845428200).

Almost surely, 2^89653604964 is an apocalyptic number.

89653604964 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89653604964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132870830400).

89653604964 is an abundant number, since it is smaller than the sum of its proper divisors (176088055836).

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

89653604964 is a wasteful number, since it uses less digits than its factorization.

89653604964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99234 (or 99221 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 89653604964 in words is "eighty-nine billion, six hundred fifty-three million, six hundred four thousand, nine hundred sixty-four".