8088236921 has 2 divisors, whose sum is σ = 8088236922. Its totient is φ = 8088236920.

The previous prime is 8088236917. The next prime is 8088236927. The reversal of 8088236921 is 1296328808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6210228025 + 1878008896 = 78805^2 + 43336^2 .

It is a cyclic number.

It is not a de Polignac number, because 8088236921 - 2² = 8088236917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8088236927) 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 as a sum of consecutive naturals, namely, 4044118460 + 4044118461.

It is an arithmetic number, because the mean of its divisors is an integer number (4044118461).

Almost surely, 2^8088236921 is an apocalyptic number.

It is an amenable number.

8088236921 is a deficient number, since it is larger than the sum of its proper divisors (1).

8088236921 is an equidigital number, since it uses as much as digits as its factorization.

8088236921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 8088236921 is about 89934.6258178684. The cubic root of 8088236921 is about 2007.3262073246.

The spelling of 8088236921 in words is "eight billion, eighty-eight million, two hundred thirty-six thousand, nine hundred twenty-one".