89479789 has 16 divisors (see below), whose sum is σ = 108701568. Its totient is φ = 71903232.

The previous prime is 89479763. The next prime is 89479811. The reversal of 89479789 is 98797498.

It is a cyclic number.

It is not a de Polignac number, because 89479789 - 2⁷ = 89479661 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 (89479289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32349 + ... + 35005.

It is an arithmetic number, because the mean of its divisors is an integer number (6793848).

Almost surely, 2^89479789 is an apocalyptic number.

It is an amenable number.

89479789 is a deficient number, since it is larger than the sum of its proper divisors (19221779).

89479789 is a wasteful number, since it uses less digits than its factorization.

89479789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its digits is 9144576, while the sum is 61.

The square root of 89479789 is about 9459.3757193591. The cubic root of 89479789 is about 447.2753701332.

The spelling of 89479789 in words is "eighty-nine million, four hundred seventy-nine thousand, seven hundred eighty-nine".