8720953505960 has 64 divisors (see below), whose sum is σ = 20114436229200. Its totient is φ = 3401936879616.

The previous prime is 8720953505951. The next prime is 8720953505983. The reversal of 8720953505960 is 695053590278.

It can be written as a sum of positive squares in 8 ways, for example, as 1198363711204 + 7522589794756 = 1094698^2 + 2742734^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8720953505960.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16518929 + ... + 17038688.

Almost surely, 2^{8720953505960} is an apocalyptic number.

It is an amenable number.

8720953505960 is an abundant number, since it is smaller than the sum of its proper divisors (11393482723240).

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

8720953505960 is a wasteful number, since it uses less digits than its factorization.

8720953505960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33557790 (or 33557786 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 59.

The spelling of 8720953505960 in words is "eight trillion, seven hundred twenty billion, nine hundred fifty-three million, five hundred five thousand, nine hundred sixty".