989215713 has 16 divisors (see below), whose sum is σ = 1471803840. Its totient is φ = 656642592.

The previous prime is 989215699. The next prime is 989215729. The reversal of 989215713 is 317512989.

It is not a de Polignac number, because 989215713 - 2⁵ = 989215681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989215613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72331 + ... + 84912.

It is an arithmetic number, because the mean of its divisors is an integer number (91987740).

Almost surely, 2^989215713 is an apocalyptic number.

It is an amenable number.

989215713 is a deficient number, since it is larger than the sum of its proper divisors (482588127).

989215713 is a wasteful number, since it uses less digits than its factorization.

989215713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157485 (or 157479 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 989215713 is about 31451.7998372112. The cubic root of 989215713 is about 996.3922373683.

The spelling of 989215713 in words is "nine hundred eighty-nine million, two hundred fifteen thousand, seven hundred thirteen".