830332387 has 2 divisors, whose sum is σ = 830332388. Its totient is φ = 830332386.

The previous prime is 830332351. The next prime is 830332403. The reversal of 830332387 is 783233038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830332387 - 2⁷ = 830332259 is a prime.

It is a super-2 number, since 2×830332387² = 1378903745802235538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (830332487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415166193 + 415166194.

It is an arithmetic number, because the mean of its divisors is an integer number (415166194).

Almost surely, 2^830332387 is an apocalyptic number.

830332387 is a deficient number, since it is larger than the sum of its proper divisors (1).

830332387 is an equidigital number, since it uses as much as digits as its factorization.

830332387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 830332387 is about 28815.4886649524. The cubic root of 830332387 is about 939.9050707667.

The spelling of 830332387 in words is "eight hundred thirty million, three hundred thirty-two thousand, three hundred eighty-seven".