89171071 has 6 divisors (see below), whose sum is σ = 98014616. Its totient is φ = 81064500.

The previous prime is 89171063. The next prime is 89171083. The reversal of 89171071 is 17017198.

It is not a de Polignac number, because 89171071 - 2³ = 89171063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89171021) 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, 368355 + ... + 368596.

Almost surely, 2^89171071 is an apocalyptic number.

89171071 is a deficient number, since it is larger than the sum of its proper divisors (8843545).

89171071 is a wasteful number, since it uses less digits than its factorization.

89171071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736973 (or 736962 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 89171071 is about 9443.0435242034. The cubic root of 89171071 is about 446.7603895432.

The spelling of 89171071 in words is "eighty-nine million, one hundred seventy-one thousand, seventy-one".