8981357967 has 6 divisors (see below), whose sum is σ = 12973072632. Its totient is φ = 5987571972.

The previous prime is 8981357963. The next prime is 8981357977. The reversal of 8981357967 is 7697531898.

8981357967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8981357967 - 2² = 8981357963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981357963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498964323 + ... + 498964340.

It is an arithmetic number, because the mean of its divisors is an integer number (2162178772).

Almost surely, 2^8981357967 is an apocalyptic number.

8981357967 is a deficient number, since it is larger than the sum of its proper divisors (3991714665).

8981357967 is a wasteful number, since it uses less digits than its factorization.

8981357967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997928669 (or 997928666 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The square root of 8981357967 is about 94770.0267331396. The cubic root of 8981357967 is about 2078.6466454397.

The spelling of 8981357967 in words is "eight billion, nine hundred eighty-one million, three hundred fifty-seven thousand, nine hundred sixty-seven".