89653132800 has 1200 divisors, whose sum is σ = 414057105792. Its totient is φ = 18612633600.

The previous prime is 89653132783. The next prime is 89653132801. The reversal of 89653132800 is 823135698.

It is a happy number.

89653132800 is a `hidden beast` number, since 8 + 9 + 6 + 531 + 32 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89653132801) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 79833039 + ... + 79834161.

Almost surely, 2^89653132800 is an apocalyptic number.

89653132800 is a gapful number since it is divisible by the number (80) 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 89653132800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207028552896).

89653132800 is an abundant number, since it is smaller than the sum of its proper divisors (324403972992).

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

89653132800 is a wasteful number, since it uses less digits than its factorization.

89653132800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 89653132800 in words is "eighty-nine billion, six hundred fifty-three million, one hundred thirty-two thousand, eight hundred".