89061669 has 6 divisors (see below), whose sum is σ = 128644646. Its totient is φ = 59374440.

The previous prime is 89061653. The next prime is 89061673. The reversal of 89061669 is 96616098.

It can be written as a sum of positive squares in only one way, i.e., 74909025 + 14152644 = 8655^2 + 3762^2 .

It is not a de Polignac number, because 89061669 - 2⁴ = 89061653 is a prime.

It is a super-2 number, since 2×89061669² = 15863961770131122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89061649) 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, 4947862 + ... + 4947879.

Almost surely, 2^89061669 is an apocalyptic number.

It is an amenable number.

89061669 is a deficient number, since it is larger than the sum of its proper divisors (39582977).

89061669 is a wasteful number, since it uses less digits than its factorization.

89061669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895747 (or 9895744 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 89061669 is about 9437.2490165302. The cubic root of 89061669 is about 446.5776079837.

The spelling of 89061669 in words is "eighty-nine million, sixty-one thousand, six hundred sixty-nine".