89139793281000 has 512 divisors, whose sum is σ = 347067542016000. Its totient is φ = 18505176192000.

The previous prime is 89139793280983. The next prime is 89139793281023. The reversal of 89139793281000 is 18239793198.

It is a super-2 number, since 2×89139793281000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 246758511 + ... + 247119489.

It is an arithmetic number, because the mean of its divisors is an integer number (677866293000).

Almost surely, 2^{89139793281000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89139793281000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173533771008000).

89139793281000 is an abundant number, since it is smaller than the sum of its proper divisors (257927748735000).

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

89139793281000 is a wasteful number, since it uses less digits than its factorization.

89139793281000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362090 (or 362076 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 89139793281000 in words is "eighty-nine trillion, one hundred thirty-nine billion, seven hundred ninety-three million, two hundred eighty-one thousand".