830816873 has 2 divisors, whose sum is σ = 830816874. Its totient is φ = 830816872.

The previous prime is 830816837. The next prime is 830816887. The reversal of 830816873 is 378618038.

Together with previous prime (830816837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 673765849 + 157051024 = 25957^2 + 12532^2 .

It is a cyclic number.

It is not a de Polignac number, because 830816873 - 2⁸ = 830816617 is a prime.

It is a super-2 number, since 2×830816873² = 1380513352922996258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (830816473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415408436 + 415408437.

It is an arithmetic number, because the mean of its divisors is an integer number (415408437).

Almost surely, 2^830816873 is an apocalyptic number.

It is an amenable number.

830816873 is a deficient number, since it is larger than the sum of its proper divisors (1).

830816873 is an equidigital number, since it uses as much as digits as its factorization.

830816873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 830816873 is about 28823.8941331667. The cubic root of 830816873 is about 940.0878418740.

The spelling of 830816873 in words is "eight hundred thirty million, eight hundred sixteen thousand, eight hundred seventy-three".