89809379 has 8 divisors (see below), whose sum is σ = 98081280. Its totient is φ = 81555400.

The previous prime is 89809361. The next prime is 89809381. The reversal of 89809379 is 97390898.

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 89809379 - 2²⁰ = 88760803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89809379.

It is not an unprimeable number, because it can be changed into a prime (89809399) 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, 7382 + ... + 15300.

It is an arithmetic number, because the mean of its divisors is an integer number (12260160).

Almost surely, 2^89809379 is an apocalyptic number.

89809379 is a deficient number, since it is larger than the sum of its proper divisors (8271901).

89809379 is a wasteful number, since it uses less digits than its factorization.

89809379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 89809379 is about 9476.7810463258. The cubic root of 89809379 is about 447.8238621859.

The spelling of 89809379 in words is "eighty-nine million, eight hundred nine thousand, three hundred seventy-nine".