89789158 has 8 divisors (see below), whose sum is σ = 138323952. Its totient is φ = 43681176.

The previous prime is 89789153. The next prime is 89789159. The reversal of 89789158 is 85198798.

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

It is a junction number, because it is equal to n+sod(n) for n = 89789099 and 89789108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89789153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606610 + ... + 606757.

It is an arithmetic number, because the mean of its divisors is an integer number (17290494).

Almost surely, 2^89789158 is an apocalyptic number.

89789158 is a deficient number, since it is larger than the sum of its proper divisors (48534794).

89789158 is a wasteful number, since it uses less digits than its factorization.

89789158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213406.

The product of its digits is 1451520, while the sum is 55.

The square root of 89789158 is about 9475.7141155693. The cubic root of 89789158 is about 447.7902497870.

The spelling of 89789158 in words is "eighty-nine million, seven hundred eighty-nine thousand, one hundred fifty-eight".