8642960984 has 16 divisors (see below), whose sum is σ = 18520630800. Its totient is φ = 3704126112.

The previous prime is 8642960947. The next prime is 8642960987. The reversal of 8642960984 is 4890692468.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 154338589 = 8642960984 / (8 + 6 + 4 + 2 + 9 + 6 + 0 + 9 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642960987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77169239 + ... + 77169350.

It is an arithmetic number, because the mean of its divisors is an integer number (1157539425).

Almost surely, 2^8642960984 is an apocalyptic number.

It is an amenable number.

8642960984 is an abundant number, since it is smaller than the sum of its proper divisors (9877669816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8642960984 is a wasteful number, since it uses less digits than its factorization.

8642960984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154338602 (or 154338598 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The square root of 8642960984 is about 92967.5265025374. The cubic root of 8642960984 is about 2052.2055171755.

The spelling of 8642960984 in words is "eight billion, six hundred forty-two million, nine hundred sixty thousand, nine hundred eighty-four".