8661955753 has 16 divisors (see below), whose sum is σ = 10052717760. Its totient is φ = 7376140800.

The previous prime is 8661955727. The next prime is 8661955763. The reversal of 8661955753 is 3575591668.

It is a cyclic number.

It is not a de Polignac number, because 8661955753 - 2⁵ = 8661955721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8661955694 and 8661955703.

It is not an unprimeable number, because it can be changed into a prime (8661955763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70308 + ... + 149221.

It is an arithmetic number, because the mean of its divisors is an integer number (628294860).

Almost surely, 2^8661955753 is an apocalyptic number.

It is an amenable number.

8661955753 is a deficient number, since it is larger than the sum of its proper divisors (1390762007).

8661955753 is a wasteful number, since it uses less digits than its factorization.

8661955753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219768.

The product of its digits is 6804000, while the sum is 55.

The square root of 8661955753 is about 93069.6285208016. The cubic root of 8661955753 is about 2053.7078051113.

The spelling of 8661955753 in words is "eight billion, six hundred sixty-one million, nine hundred fifty-five thousand, seven hundred fifty-three".