8804451621 has 8 divisors (see below), whose sum is σ = 13416307264. Its totient is φ = 5031115200.

The previous prime is 8804451619. The next prime is 8804451641. The reversal of 8804451621 is 1261544088.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8804451621 - 2¹ = 8804451619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8804451621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8804451641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209629780 + ... + 209629821.

It is an arithmetic number, because the mean of its divisors is an integer number (1677038408).

Almost surely, 2^8804451621 is an apocalyptic number.

It is an amenable number.

8804451621 is a deficient number, since it is larger than the sum of its proper divisors (4611855643).

8804451621 is a wasteful number, since it uses less digits than its factorization.

8804451621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419259611.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 8804451621 is about 93832.0394161824. The cubic root of 8804451621 is about 2064.9083025177.

The spelling of 8804451621 in words is "eight billion, eight hundred four million, four hundred fifty-one thousand, six hundred twenty-one".