8221331877004 has 12 divisors (see below), whose sum is σ = 14535653783224. Its totient is φ = 4068287938944.

The previous prime is 8221331877001. The next prime is 8221331877013. The reversal of 8221331877004 is 4007781331228.

It is a super-2 number, since 2×8221331877004² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8221331877001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10594499454 + ... + 10594500229.

Almost surely, 2^{8221331877004} is an apocalyptic number.

It is an amenable number.

8221331877004 is a deficient number, since it is larger than the sum of its proper divisors (6314321906220).

8221331877004 is a wasteful number, since it uses less digits than its factorization.

8221331877004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21188999784 (or 21188999782 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 8221331877004 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-one million, eight hundred seventy-seven thousand, four".