8675704811421 has 64 divisors (see below), whose sum is σ = 12956388556800. Its totient is φ = 5737451787072.

The previous prime is 8675704811381. The next prime is 8675704811441. The reversal of 8675704811421 is 1241184075768.

It is a happy number.

8675704811421 is a `hidden beast` number, since 8 + 6 + 7 + 570 + 48 + 1 + 1 + 4 + 21 = 666.

It is not a de Polignac number, because 8675704811421 - 2³⁷ = 8538265857949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8675704811441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3938130906 + ... + 3938133108.

It is an arithmetic number, because the mean of its divisors is an integer number (202443571200).

Almost surely, 2^{8675704811421} is an apocalyptic number.

It is an amenable number.

8675704811421 is a deficient number, since it is larger than the sum of its proper divisors (4280683745379).

8675704811421 is a wasteful number, since it uses less digits than its factorization.

8675704811421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 8675704811421 in words is "eight trillion, six hundred seventy-five billion, seven hundred four million, eight hundred eleven thousand, four hundred twenty-one".