8544677421404 has 24 divisors (see below), whose sum is σ = 15832877971680. Its totient is φ = 4021000964096.

The previous prime is 8544677421391. The next prime is 8544677421407. The reversal of 8544677421404 is 4041247764458.

It is a self number, because there is not a number n which added to its sum of digits gives 8544677421404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8544677421407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17645729 + ... + 18123495.

It is an arithmetic number, because the mean of its divisors is an integer number (659703248820).

Almost surely, 2^{8544677421404} is an apocalyptic number.

It is an amenable number.

8544677421404 is a deficient number, since it is larger than the sum of its proper divisors (7288200550276).

8544677421404 is a wasteful number, since it uses less digits than its factorization.

8544677421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740797 (or 740795 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 56.

The spelling of 8544677421404 in words is "eight trillion, five hundred forty-four billion, six hundred seventy-seven million, four hundred twenty-one thousand, four hundred four".