89171137 has 8 divisors (see below), whose sum is σ = 103000032. Its totient is φ = 76296000.

The previous prime is 89171129. The next prime is 89171167. The reversal of 89171137 is 73117198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89171137 - 2³ = 89171129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89171096 and 89171105.

It is not an unprimeable number, because it can be changed into a prime (89171107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238239 + ... + 238612.

It is an arithmetic number, because the mean of its divisors is an integer number (12875004).

Almost surely, 2^89171137 is an apocalyptic number.

It is an amenable number.

89171137 is a deficient number, since it is larger than the sum of its proper divisors (13828895).

89171137 is a wasteful number, since it uses less digits than its factorization.

89171137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476879.

The product of its digits is 10584, while the sum is 37.

The square root of 89171137 is about 9443.0470188388. The cubic root of 89171137 is about 446.7604997664.

The spelling of 89171137 in words is "eighty-nine million, one hundred seventy-one thousand, one hundred thirty-seven".