89979027 has 4 divisors (see below), whose sum is σ = 119972040. Its totient is φ = 59986016.

The previous prime is 89979023. The next prime is 89979047. The reversal of 89979027 is 72097998.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89979027 - 2² = 89979023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89979023) 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, 14996502 + ... + 14996507.

It is an arithmetic number, because the mean of its divisors is an integer number (29993010).

Almost surely, 2^89979027 is an apocalyptic number.

89979027 is a deficient number, since it is larger than the sum of its proper divisors (29993013).

89979027 is a wasteful number, since it uses less digits than its factorization.

89979027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29993012.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 89979027 is about 9485.7275419443. The cubic root of 89979027 is about 448.1056613952.

The spelling of 89979027 in words is "eighty-nine million, nine hundred seventy-nine thousand, twenty-seven".