8943947485 has 32 divisors (see below), whose sum is σ = 12343394304. Its totient is φ = 6160872000.

The previous prime is 8943947483. The next prime is 8943947513. The reversal of 8943947485 is 5847493498.

It is not a de Polignac number, because 8943947485 - 2¹ = 8943947483 is a prime.

It is a super-2 number, since 2×8943947485² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8943947483) 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, 24330 + ... + 135940.

It is an arithmetic number, because the mean of its divisors is an integer number (385731072).

Almost surely, 2^8943947485 is an apocalyptic number.

It is an amenable number.

8943947485 is a deficient number, since it is larger than the sum of its proper divisors (3399446819).

8943947485 is a wasteful number, since it uses less digits than its factorization.

8943947485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111705.

The product of its digits is 34836480, while the sum is 61.

The square root of 8943947485 is about 94572.4456964078. The cubic root of 8943947485 is about 2075.7565333514.

The spelling of 8943947485 in words is "eight billion, nine hundred forty-three million, nine hundred forty-seven thousand, four hundred eighty-five".