8221331877354 has 24 divisors (see below), whose sum is σ = 17813025298692. Its totient is φ = 2740422487680.

The previous prime is 8221331877349. The next prime is 8221331877431. The reversal of 8221331877354 is 4537781331228.

8221331877354 is a `hidden beast` number, since 8 + 2 + 213 + 3 + 1 + 8 + 77 + 354 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6459593314329 + 1761738563025 = 2541573^2 + 1327305^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8221331877354.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662722 + ... + 4108754.

Almost surely, 2^{8221331877354} is an apocalyptic number.

8221331877354 is an abundant number, since it is smaller than the sum of its proper divisors (9591693421338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8221331877354 is a wasteful number, since it uses less digits than its factorization.

8221331877354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578582 (or 3578579 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 8221331877354 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-one million, eight hundred seventy-seven thousand, three hundred fifty-four".