89157331443856 has 225 divisors, whose sum is σ = 197837375671689. Its totient is φ = 38906269923456.

The previous prime is 89157331443841. The next prime is 89157331443877. The reversal of 89157331443856 is 65834413375198.

The square root of 89157331443856 is 9442316.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13188954355600 + 75968377088256 = 3631660^2 + 8715984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89157331443791 and 89157331443800.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 177251155701 + ... + 177251156203.

Almost surely, 2^{89157331443856} is an apocalyptic number.

89157331443856 is the 9442316-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89157331443856

89157331443856 is an abundant number, since it is smaller than the sum of its proper divisors (108680044227833).

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

89157331443856 is an frugal number, since it uses more digits than its factorization.

89157331443856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 537 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 67.

The spelling of 89157331443856 in words is "eighty-nine trillion, one hundred fifty-seven billion, three hundred thirty-one million, four hundred forty-three thousand, eight hundred fifty-six".