8601960978 has 96 divisors (see below), whose sum is σ = 20439095040. Its totient is φ = 2598635520.

The previous prime is 8601960977. The next prime is 8601961001. The reversal of 8601960978 is 8790691068.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8601960971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3566593 + ... + 3569003.

It is an arithmetic number, because the mean of its divisors is an integer number (212907240).

Almost surely, 2^8601960978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8601960978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10219547520).

8601960978 is an abundant number, since it is smaller than the sum of its proper divisors (11837134062).

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

8601960978 is a wasteful number, since it uses less digits than its factorization.

8601960978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 8601960978 is about 92746.7572371131. The cubic root of 8601960978 is about 2048.9553255896.

The spelling of 8601960978 in words is "eight billion, six hundred one million, nine hundred sixty thousand, nine hundred seventy-eight".