8663374845 has 40 divisors (see below), whose sum is σ = 16443438264. Its totient is φ = 4348670976.

The previous prime is 8663374831. The next prime is 8663374849. The reversal of 8663374845 is 5484733668.

It can be written as a sum of positive squares in 4 ways, for example, as 1051510329 + 7611864516 = 32427^2 + 87246^2 .

It is not a de Polignac number, because 8663374845 - 2⁸ = 8663374589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8663374791 and 8663374800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663374849) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 622264 + ... + 636033.

Almost surely, 2^8663374845 is an apocalyptic number.

8663374845 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8663374845 is a deficient number, since it is larger than the sum of its proper divisors (7780063419).

8663374845 is a wasteful number, since it uses less digits than its factorization.

8663374845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258331 (or 1258322 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The square root of 8663374845 is about 93077.2520275497. The cubic root of 8663374845 is about 2053.8199522698.

The spelling of 8663374845 in words is "eight billion, six hundred sixty-three million, three hundred seventy-four thousand, eight hundred forty-five".