8743856441 has 4 divisors (see below), whose sum is σ = 8747302800. Its totient is φ = 8740410084.

The previous prime is 8743856413. The next prime is 8743856467. The reversal of 8743856441 is 1446583478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8743856441 - 2¹⁸ = 8743594297 is a prime.

It is a super-5 number, since 5×8743856441⁵ (a number of 51 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8743856441.

It is not an unprimeable number, because it can be changed into a prime (8743856141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719371 + ... + 1724448.

It is an arithmetic number, because the mean of its divisors is an integer number (2186825700).

Almost surely, 2^8743856441 is an apocalyptic number.

It is an amenable number.

8743856441 is a deficient number, since it is larger than the sum of its proper divisors (3446359).

8743856441 is a wasteful number, since it uses less digits than its factorization.

8743856441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446358.

The product of its digits is 2580480, while the sum is 50.

The square root of 8743856441 is about 93508.5901989758. The cubic root of 8743856441 is about 2060.1602634765.

The spelling of 8743856441 in words is "eight billion, seven hundred forty-three million, eight hundred fifty-six thousand, four hundred forty-one".