8921842744 has 32 divisors (see below), whose sum is σ = 17053159680. Its totient is φ = 4374922464.

The previous prime is 8921842733. The next prime is 8921842771. The reversal of 8921842744 is 4472481298.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85009 + ... + 158335.

It is an arithmetic number, because the mean of its divisors is an integer number (532911240).

Almost surely, 2^8921842744 is an apocalyptic number.

It is an amenable number.

8921842744 is a deficient number, since it is larger than the sum of its proper divisors (8131316936).

8921842744 is a wasteful number, since it uses less digits than its factorization.

8921842744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73627 (or 73623 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 8921842744 is about 94455.5066896579. The cubic root of 8921842744 is about 2074.0450626223.

The spelling of 8921842744 in words is "eight billion, nine hundred twenty-one million, eight hundred forty-two thousand, seven hundred forty-four".