89379521280 has 432 divisors, whose sum is σ = 366520137984. Its totient is φ = 20429107200.

The previous prime is 89379521279. The next prime is 89379521293. The reversal of 89379521280 is 8212597398.

89379521280 is a `hidden beast` number, since 8 + 9 + 37 + 9 + 521 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2156755 + ... + 2197805.

Almost surely, 2^89379521280 is an apocalyptic number.

89379521280 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 89379521280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183260068992).

89379521280 is an abundant number, since it is smaller than the sum of its proper divisors (277140616704).

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

89379521280 is an equidigital number, since it uses as much as digits as its factorization.

89379521280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41094 (or 41068 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 89379521280 in words is "eighty-nine billion, three hundred seventy-nine million, five hundred twenty-one thousand, two hundred eighty".