830740847 has 2 divisors, whose sum is σ = 830740848. Its totient is φ = 830740846.

The previous prime is 830740793. The next prime is 830740861. The reversal of 830740847 is 748047038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830740847 - 2¹⁰ = 830739823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830740877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415370423 + 415370424.

It is an arithmetic number, because the mean of its divisors is an integer number (415370424).

Almost surely, 2^830740847 is an apocalyptic number.

830740847 is a deficient number, since it is larger than the sum of its proper divisors (1).

830740847 is an equidigital number, since it uses as much as digits as its factorization.

830740847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 830740847 is about 28822.5753013155. The cubic root of 830740847 is about 940.0591659605.

The spelling of 830740847 in words is "eight hundred thirty million, seven hundred forty thousand, eight hundred forty-seven".