89229394821 has 16 divisors (see below), whose sum is σ = 137831187584. Its totient is φ = 50289755904.

The previous prime is 89229394819. The next prime is 89229394829. The reversal of 89229394821 is 12849392298.

It is a happy number.

It is not a de Polignac number, because 89229394821 - 2¹ = 89229394819 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89229394829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29101336 + ... + 29104401.

It is an arithmetic number, because the mean of its divisors is an integer number (8614449224).

Almost surely, 2^89229394821 is an apocalyptic number.

It is an amenable number.

89229394821 is a deficient number, since it is larger than the sum of its proper divisors (48601792763).

89229394821 is a wasteful number, since it uses less digits than its factorization.

89229394821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58205820.

The product of its digits is 4478976, while the sum is 57.

The spelling of 89229394821 in words is "eighty-nine billion, two hundred twenty-nine million, three hundred ninety-four thousand, eight hundred twenty-one".