830642147 has 2 divisors, whose sum is σ = 830642148. Its totient is φ = 830642146.

The previous prime is 830642089. The next prime is 830642149. The reversal of 830642147 is 741246038.

830642147 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 830642147 - 2⁸ = 830641891 is a prime.

Together with 830642149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (830642149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415321073 + 415321074.

It is an arithmetic number, because the mean of its divisors is an integer number (415321074).

Almost surely, 2^830642147 is an apocalyptic number.

830642147 is a deficient number, since it is larger than the sum of its proper divisors (1).

830642147 is an equidigital number, since it uses as much as digits as its factorization.

830642147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 830642147 is about 28820.8630509220. The cubic root of 830642147 is about 940.0219351302.

The spelling of 830642147 in words is "eight hundred thirty million, six hundred forty-two thousand, one hundred forty-seven".