830866039 has 2 divisors, whose sum is σ = 830866040. Its totient is φ = 830866038.

The previous prime is 830866033. The next prime is 830866063. The reversal of 830866039 is 930668038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830866039 - 2³ = 830866031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830865986 and 830866004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830866031) 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, 415433019 + 415433020.

It is an arithmetic number, because the mean of its divisors is an integer number (415433020).

Almost surely, 2^830866039 is an apocalyptic number.

830866039 is a deficient number, since it is larger than the sum of its proper divisors (1).

830866039 is an equidigital number, since it uses as much as digits as its factorization.

830866039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 830866039 is about 28824.7469893493. The cubic root of 830866039 is about 940.1063856505.

It can be divided in two parts, 8308 and 66039, that added together give a palindrome (74347).

The spelling of 830866039 in words is "eight hundred thirty million, eight hundred sixty-six thousand, thirty-nine".