8981519979 has 8 divisors (see below), whose sum is σ = 12154096960. Its totient is φ = 5898311496.

The previous prime is 8981519957. The next prime is 8981519999. The reversal of 8981519979 is 9799151898.

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

It is not a de Polignac number, because 8981519979 - 2¹⁹ = 8980995691 is a prime.

It is a super-2 number, since 2×8981519979² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8981519929) 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 7 ways as a sum of consecutive naturals, for example, 22341889 + ... + 22342290.

It is an arithmetic number, because the mean of its divisors is an integer number (1519262120).

Almost surely, 2^8981519979 is an apocalyptic number.

8981519979 is a deficient number, since it is larger than the sum of its proper divisors (3172576981).

8981519979 is a wasteful number, since it uses less digits than its factorization.

8981519979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44684249.

The product of its digits is 14696640, while the sum is 66.

The square root of 8981519979 is about 94770.8814932097. The cubic root of 8981519979 is about 2078.6591440573.

The spelling of 8981519979 in words is "eight billion, nine hundred eighty-one million, five hundred nineteen thousand, nine hundred seventy-nine".