89491392000 has 800 divisors, whose sum is σ = 340013085984. Its totient is φ = 23390208000.

The previous prime is 89491391987. The next prime is 89491392013. The reversal of 89491392000 is 29319498.

It is an interprime number because it is at equal distance from previous prime (89491391987) and next prime (89491392013).

It is a tau number, because it is divible by the number of its divisors (800).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 316223859 + ... + 316224141.

Almost surely, 2^89491392000 is an apocalyptic number.

89491392000 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 89491392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170006542992).

89491392000 is an abundant number, since it is smaller than the sum of its proper divisors (250521693984).

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

89491392000 is an equidigital number, since it uses as much as digits as its factorization.

89491392000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 89491392000 in words is "eighty-nine billion, four hundred ninety-one million, three hundred ninety-two thousand".