89275909 has 4 divisors (see below), whose sum is σ = 90789120. Its totient is φ = 87762700.

The previous prime is 89275873. The next prime is 89275919. The reversal of 89275909 is 90957298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89275909 - 2¹⁷ = 89144837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89275919) 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, 756517 + ... + 756634.

It is an arithmetic number, because the mean of its divisors is an integer number (22697280).

Almost surely, 2^89275909 is an apocalyptic number.

It is an amenable number.

89275909 is a deficient number, since it is larger than the sum of its proper divisors (1513211).

89275909 is a wasteful number, since it uses less digits than its factorization.

89275909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513210.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 89275909 is about 9448.5929640344. The cubic root of 89275909 is about 446.9354056541.

The spelling of 89275909 in words is "eighty-nine million, two hundred seventy-five thousand, nine hundred nine".