89175321 has 6 divisors (see below), whose sum is σ = 128808810. Its totient is φ = 59450208.

The previous prime is 89175277. The next prime is 89175409. The reversal of 89175321 is 12357198.

It can be written as a sum of positive squares in only one way, i.e., 88566921 + 608400 = 9411^2 + 780^2 .

It is not a de Polignac number, because 89175321 - 2⁶ = 89175257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89171321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4954176 + ... + 4954193.

It is an arithmetic number, because the mean of its divisors is an integer number (21468135).

Almost surely, 2^89175321 is an apocalyptic number.

It is an amenable number.

89175321 is a deficient number, since it is larger than the sum of its proper divisors (39633489).

89175321 is a wasteful number, since it uses less digits than its factorization.

89175321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908375 (or 9908372 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 89175321 is about 9443.2685549020. The cubic root of 89175321 is about 446.7674871421.

The spelling of 89175321 in words is "eighty-nine million, one hundred seventy-five thousand, three hundred twenty-one".