8744855845 has 32 divisors (see below), whose sum is σ = 12172239360. Its totient is φ = 5960586240.

The previous prime is 8744855843. The next prime is 8744855851. The reversal of 8744855845 is 5485584478.

It is not a de Polignac number, because 8744855845 - 2¹ = 8744855843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8744855845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8744855843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203899 + ... + 243031.

It is an arithmetic number, because the mean of its divisors is an integer number (380382480).

Almost surely, 2^8744855845 is an apocalyptic number.

8744855845 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8744855845 is a deficient number, since it is larger than the sum of its proper divisors (3427383515).

8744855845 is a wasteful number, since it uses less digits than its factorization.

8744855845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39405.

The product of its digits is 28672000, while the sum is 58.

The square root of 8744855845 is about 93513.9339617364. The cubic root of 8744855845 is about 2060.2387511165.

The spelling of 8744855845 in words is "eight billion, seven hundred forty-four million, eight hundred fifty-five thousand, eight hundred forty-five".