89509172 has 6 divisors (see below), whose sum is σ = 156641058. Its totient is φ = 44754584.

The previous prime is 89509153. The next prime is 89509181. The reversal of 89509172 is 27190598.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 14409616 = 8666^2 + 3796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11188643 + ... + 11188650.

It is an arithmetic number, because the mean of its divisors is an integer number (26106843).

Almost surely, 2^89509172 is an apocalyptic number.

It is an amenable number.

89509172 is a deficient number, since it is larger than the sum of its proper divisors (67131886).

89509172 is a wasteful number, since it uses less digits than its factorization.

89509172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22377297 (or 22377295 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 89509172 is about 9460.9287070562. The cubic root of 89509172 is about 447.3243229156.

The spelling of 89509172 in words is "eighty-nine million, five hundred nine thousand, one hundred seventy-two".