830770379 has 2 divisors, whose sum is σ = 830770380. Its totient is φ = 830770378.

The previous prime is 830770309. The next prime is 830770387. The reversal of 830770379 is 973077038.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830770379 - 2⁸ = 830770123 is a prime.

It is not a weakly prime, because it can be changed into another prime (830770309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415385189 + 415385190.

It is an arithmetic number, because the mean of its divisors is an integer number (415385190).

Almost surely, 2^830770379 is an apocalyptic number.

830770379 is a deficient number, since it is larger than the sum of its proper divisors (1).

830770379 is an equidigital number, since it uses as much as digits as its factorization.

830770379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 830770379 is about 28823.0876035167. The cubic root of 830770379 is about 940.0703052139.

The spelling of 830770379 in words is "eight hundred thirty million, seven hundred seventy thousand, three hundred seventy-nine".