8871944453 has 2 divisors, whose sum is σ = 8871944454. Its totient is φ = 8871944452.

The previous prime is 8871944437. The next prime is 8871944507. The reversal of 8871944453 is 3544491788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8802755329 + 69189124 = 93823^2 + 8318^2 .

It is a cyclic number.

It is not a de Polignac number, because 8871944453 - 2⁴ = 8871944437 is a prime.

It is a super-2 number, since 2×8871944453² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8871944395 and 8871944404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8871944423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4435972226 + 4435972227.

It is an arithmetic number, because the mean of its divisors is an integer number (4435972227).

Almost surely, 2^8871944453 is an apocalyptic number.

It is an amenable number.

8871944453 is a deficient number, since it is larger than the sum of its proper divisors (1).

8871944453 is an equidigital number, since it uses as much as digits as its factorization.

8871944453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The square root of 8871944453 is about 94190.9998513658. Note that the first 3 decimals coincide. The cubic root of 8871944453 is about 2070.1712424944.

The spelling of 8871944453 in words is "eight billion, eight hundred seventy-one million, nine hundred forty-four thousand, four hundred fifty-three".