830771047 has 2 divisors, whose sum is σ = 830771048. Its totient is φ = 830771046.

The previous prime is 830770981. The next prime is 830771057. The reversal of 830771047 is 740177038.

830771047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830771047 - 2¹¹ = 830768999 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 830770997 and 830771015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830771057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415385523 + 415385524.

It is an arithmetic number, because the mean of its divisors is an integer number (415385524).

Almost surely, 2^830771047 is an apocalyptic number.

830771047 is a deficient number, since it is larger than the sum of its proper divisors (1).

830771047 is an equidigital number, since it uses as much as digits as its factorization.

830771047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 830771047 is about 28823.0991914471. The cubic root of 830771047 is about 940.0705571755.

The spelling of 830771047 in words is "eight hundred thirty million, seven hundred seventy-one thousand, forty-seven".