827771051 has 2 divisors, whose sum is σ = 827771052. Its totient is φ = 827771050.

The previous prime is 827771047. The next prime is 827771057. The reversal of 827771051 is 150177728.

827771051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827771051 - 2² = 827771047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 827770996 and 827771014.

It is not a weakly prime, because it can be changed into another prime (827771057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413885525 + 413885526.

It is an arithmetic number, because the mean of its divisors is an integer number (413885526).

Almost surely, 2^827771051 is an apocalyptic number.

827771051 is a deficient number, since it is larger than the sum of its proper divisors (1).

827771051 is an equidigital number, since it uses as much as digits as its factorization.

827771051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 38.

The square root of 827771051 is about 28771.0106009504. The cubic root of 827771051 is about 938.9376299465.

The spelling of 827771051 in words is "eight hundred twenty-seven million, seven hundred seventy-one thousand, fifty-one".