89235128 has 8 divisors (see below), whose sum is σ = 167315880. Its totient is φ = 44617560.

The previous prime is 89235121. The next prime is 89235137. The reversal of 89235128 is 82153298.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 89235091 and 89235100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89235121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577188 + ... + 5577203.

It is an arithmetic number, because the mean of its divisors is an integer number (20914485).

Almost surely, 2^89235128 is an apocalyptic number.

It is an amenable number.

89235128 is a deficient number, since it is larger than the sum of its proper divisors (78080752).

89235128 is a wasteful number, since it uses less digits than its factorization.

89235128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154397 (or 11154393 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 89235128 is about 9446.4346713456. The cubic root of 89235128 is about 446.8673423175.

The spelling of 89235128 in words is "eighty-nine million, two hundred thirty-five thousand, one hundred twenty-eight".