8463980893647 has 16 divisors (see below), whose sum is σ = 12395761493760. Its totient is φ = 5113251614592.

The previous prime is 8463980893637. The next prime is 8463980893657. The reversal of 8463980893647 is 7463980893648.

It is an interprime number because it is at equal distance from previous prime (8463980893637) and next prime (8463980893657).

It is not a de Polignac number, because 8463980893647 - 2¹¹ = 8463980891599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8463980893637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228061578 + ... + 3228064199.

It is an arithmetic number, because the mean of its divisors is an integer number (774735093360).

Almost surely, 2^{8463980893647} is an apocalyptic number.

8463980893647 is a deficient number, since it is larger than the sum of its proper divisors (3931780600113).

8463980893647 is a wasteful number, since it uses less digits than its factorization.

8463980893647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456125822.

The product of its (nonzero) digits is 1504935936, while the sum is 75.

Subtracting from 8463980893647 its reverse (7463980893648), we obtain a palindrome (999999999999).

The spelling of 8463980893647 in words is "eight trillion, four hundred sixty-three billion, nine hundred eighty million, eight hundred ninety-three thousand, six hundred forty-seven".