8821049831 has 8 divisors (see below), whose sum is σ = 9646496400. Its totient is φ = 7999525440.

The previous prime is 8821049819. The next prime is 8821049833. The reversal of 8821049831 is 1389401288.

8821049831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8821049831 is a prime.

It is a super-2 number, since 2×8821049831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821049833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975836 + ... + 984833.

It is an arithmetic number, because the mean of its divisors is an integer number (1205812050).

Almost surely, 2^8821049831 is an apocalyptic number.

8821049831 is a deficient number, since it is larger than the sum of its proper divisors (825446569).

8821049831 is a wasteful number, since it uses less digits than its factorization.

8821049831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961089.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 8821049831 is about 93920.4441588731. Note that the first 3 decimals coincide. The cubic root of 8821049831 is about 2066.2050808567.

The spelling of 8821049831 in words is "eight billion, eight hundred twenty-one million, forty-nine thousand, eight hundred thirty-one".