8021732827 has 2 divisors, whose sum is σ = 8021732828. Its totient is φ = 8021732826.

The previous prime is 8021732819. The next prime is 8021732879. The reversal of 8021732827 is 7282371208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8021732827 - 2³ = 8021732819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8021732827.

It is not a weakly prime, because it can be changed into another prime (8021732627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010866413 + 4010866414.

It is an arithmetic number, because the mean of its divisors is an integer number (4010866414).

Almost surely, 2^8021732827 is an apocalyptic number.

8021732827 is a deficient number, since it is larger than the sum of its proper divisors (1).

8021732827 is an equidigital number, since it uses as much as digits as its factorization.

8021732827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 8021732827 is about 89564.1268979942. The cubic root of 8021732827 is about 2001.8094314020.

The spelling of 8021732827 in words is "eight billion, twenty-one million, seven hundred thirty-two thousand, eight hundred twenty-seven".