884996028621 has 12 divisors (see below), whose sum is σ = 1278969031548. Its totient is φ = 589701305664.

The previous prime is 884996028619. The next prime is 884996028647. The reversal of 884996028621 is 126820699488.

884996028621 is a `hidden beast` number, since 8 + 8 + 499 + 60 + 2 + 86 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 402540760521 + 482455268100 = 634461^2 + 694590^2 .

It is not a de Polignac number, because 884996028621 - 2¹ = 884996028619 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884996028671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24651630 + ... + 24687503.

It is an arithmetic number, because the mean of its divisors is an integer number (106580752629).

Almost surely, 2^884996028621 is an apocalyptic number.

It is an amenable number.

884996028621 is a deficient number, since it is larger than the sum of its proper divisors (393973002927).

884996028621 is a wasteful number, since it uses less digits than its factorization.

884996028621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49341132 (or 49341129 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 884996028621 in words is "eight hundred eighty-four billion, nine hundred ninety-six million, twenty-eight thousand, six hundred twenty-one".