89070209 has 8 divisors (see below), whose sum is σ = 90764160. Its totient is φ = 87390576.

The previous prime is 89070203. The next prime is 89070229. The reversal of 89070209 is 90207098.

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

It is a cyclic number.

It is not a de Polignac number, because 89070209 - 2⁴ = 89070193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89070203) 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, 9419 + ... + 16335.

It is an arithmetic number, because the mean of its divisors is an integer number (11345520).

Almost surely, 2^89070209 is an apocalyptic number.

It is an amenable number.

89070209 is a deficient number, since it is larger than the sum of its proper divisors (1693951).

89070209 is a wasteful number, since it uses less digits than its factorization.

89070209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 89070209 is about 9437.7014680482. The cubic root of 89070209 is about 446.5918814301.

The spelling of 89070209 in words is "eighty-nine million, seventy thousand, two hundred nine".