89220173042 has 162 divisors, whose sum is σ = 186177359277. Its totient is φ = 31935103200.

The previous prime is 89220173033. The next prime is 89220173071. The reversal of 89220173042 is 24037102298.

It can be written as a sum of positive squares in 2 ways, for example, as 76285887601 + 12934285441 = 276199^2 + 113729^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=211211.

It is a junction number, because it is equal to n+sod(n) for n = 89220172987 and 89220173005.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 422844317 + ... + 422844527.

Almost surely, 2^89220173042 is an apocalyptic number.

89220173042 is an abundant number, since it is smaller than the sum of its proper divisors (96957186235).

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

89220173042 is a wasteful number, since it uses less digits than its factorization.

89220173042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

It can be divided in two parts, 89220 and 173042, that added together give a palindrome (262262).

The spelling of 89220173042 in words is "eighty-nine billion, two hundred twenty million, one hundred seventy-three thousand, forty-two".