89231072256 has 440 divisors, whose sum is σ = 287534884560.
Its totient is φ = 27471052800.
The previous prime is 89231072201. The next prime is 89231072257. The reversal of 89231072256 is 65227013298.
89231072256 is a `hidden beast` number, since 89 + 2 + 310 + 7 + 2 + 256 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89231072257) by changing a digit.
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 39 ways as a sum of consecutive naturals, for example, 64612686 + ... + 64614066.
It is an arithmetic number, because the mean of its divisors is an integer number (653488374).
Almost surely, 289231072256 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 89231072256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143767442280).
89231072256 is an abundant number, since it is smaller than the sum of its proper divisors (198303812304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89231072256 is a wasteful number, since it uses less digits than its factorization.
89231072256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1473 (or 1446 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 89231072256 in words is "eighty-nine billion, two hundred thirty-one million, seventy-two thousand, two hundred fifty-six".