1084883678221 has 24 divisors (see below), whose sum is σ = 1328879513760. Its totient is φ = 880659410400.

The previous prime is 1084883678213. The next prime is 1084883678233. The reversal of 1084883678221 is 1228763884801.

It is a happy number.

It is not a de Polignac number, because 1084883678221 - 2³ = 1084883678213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084883678251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2569891 + ... + 2962111.

It is an arithmetic number, because the mean of its divisors is an integer number (55369979740).

Almost surely, 2^{1084883678221} is an apocalyptic number.

It is an amenable number.

1084883678221 is a deficient number, since it is larger than the sum of its proper divisors (243995835539).

1084883678221 is a wasteful number, since it uses less digits than its factorization.

1084883678221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395225 (or 395218 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 58.

The spelling of 1084883678221 in words is "one trillion, eighty-four billion, eight hundred eighty-three million, six hundred seventy-eight thousand, two hundred twenty-one".