8961877536 has 48 divisors (see below), whose sum is σ = 23555556864. Its totient is φ = 2983403264.

The previous prime is 8961877531. The next prime is 8961877601. The reversal of 8961877536 is 6357781698.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×8961877536² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8961877536.

It is not an unprimeable number, because it can be changed into a prime (8961877531) 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 7 ways as a sum of consecutive naturals, for example, 13825 + ... + 134591.

It is an arithmetic number, because the mean of its divisors is an integer number (490740768).

Almost surely, 2^8961877536 is an apocalyptic number.

It is an amenable number.

8961877536 is an abundant number, since it is smaller than the sum of its proper divisors (14593679328).

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

8961877536 is a wasteful number, since it uses less digits than its factorization.

8961877536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121553 (or 121545 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 60.

The square root of 8961877536 is about 94667.1935572192. The cubic root of 8961877536 is about 2077.1427064208.

The spelling of 8961877536 in words is "eight billion, nine hundred sixty-one million, eight hundred seventy-seven thousand, five hundred thirty-six".