8998745679 has 144 divisors (see below), whose sum is σ = 17321068800. Its totient is φ = 4599413280.

The previous prime is 8998745671. The next prime is 8998745729. The reversal of 8998745679 is 9765478998.

8998745679 is a `hidden beast` number, since 8 + 99 + 87 + 456 + 7 + 9 = 666.

It is not a de Polignac number, because 8998745679 - 2³ = 8998745671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8998745671) 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 143 ways as a sum of consecutive naturals, for example, 10725142 + ... + 10725980.

It is an arithmetic number, because the mean of its divisors is an integer number (120285200).

Almost surely, 2^8998745679 is an apocalyptic number.

8998745679 is a deficient number, since it is larger than the sum of its proper divisors (8322323121).

8998745679 is a wasteful number, since it uses less digits than its factorization.

8998745679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 927 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The square root of 8998745679 is about 94861.7187225701. The cubic root of 8998745679 is about 2079.9871854949.

The spelling of 8998745679 in words is "eight billion, nine hundred ninety-eight million, seven hundred forty-five thousand, six hundred seventy-nine".