8671953953 has 6 divisors (see below), whose sum is σ = 9390340854. Its totient is φ = 8004880416.

The previous prime is 8671953931. The next prime is 8671954019. The reversal of 8671953953 is 3593591768.

8671953953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 110523169 + 8561430784 = 10513^2 + 92528^2 .

It is not a de Polignac number, because 8671953953 - 2⁶ = 8671953889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8671953923) 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 5 ways as a sum of consecutive naturals, for example, 25656500 + ... + 25656837.

It is an arithmetic number, because the mean of its divisors is an integer number (1565056809).

Almost surely, 2^8671953953 is an apocalyptic number.

It is an amenable number.

8671953953 is a deficient number, since it is larger than the sum of its proper divisors (718386901).

8671953953 is a wasteful number, since it uses less digits than its factorization.

8671953953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51313363 (or 51313350 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The square root of 8671953953 is about 93123.3265782532. The cubic root of 8671953953 is about 2054.4976762327.

The spelling of 8671953953 in words is "eight billion, six hundred seventy-one million, nine hundred fifty-three thousand, nine hundred fifty-three".