89659012 has 12 divisors (see below), whose sum is σ = 157400460. Its totient is φ = 44687456.

The previous prime is 89659001. The next prime is 89659019. The reversal of 89659012 is 21095698.

It can be written as a sum of positive squares in 2 ways, for example, as 48108096 + 41550916 = 6936^2 + 6446^2 .

It is a super-2 number, since 2×89659012² = 16077476865632288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89659019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34087 + ... + 36622.

It is an arithmetic number, because the mean of its divisors is an integer number (13116705).

Almost surely, 2^89659012 is an apocalyptic number.

It is an amenable number.

89659012 is a deficient number, since it is larger than the sum of its proper divisors (67741448).

89659012 is a wasteful number, since it uses less digits than its factorization.

89659012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71030 (or 71028 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 89659012 is about 9468.8442800587. The cubic root of 89659012 is about 447.5737934755.

The spelling of 89659012 in words is "eighty-nine million, six hundred fifty-nine thousand, twelve".