8087092821 has 24 divisors (see below), whose sum is σ = 11936302560. Its totient is φ = 5274318816.

The previous prime is 8087092781. The next prime is 8087092829. The reversal of 8087092821 is 1282907808.

It is a happy number.

It is not a de Polignac number, because 8087092821 - 2¹⁵ = 8087060053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8087092829) 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 23 ways as a sum of consecutive naturals, for example, 141090 + ... + 189948.

It is an arithmetic number, because the mean of its divisors is an integer number (497345940).

Almost surely, 2^8087092821 is an apocalyptic number.

It is an amenable number.

8087092821 is a deficient number, since it is larger than the sum of its proper divisors (3849209739).

8087092821 is a wasteful number, since it uses less digits than its factorization.

8087092821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49265 (or 49262 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 8087092821 is about 89928.2648614995. The cubic root of 8087092821 is about 2007.2315558684.

The spelling of 8087092821 in words is "eight billion, eighty-seven million, ninety-two thousand, eight hundred twenty-one".