830758081 has 2 divisors, whose sum is σ = 830758082. Its totient is φ = 830758080.

The previous prime is 830758079. The next prime is 830758087. The reversal of 830758081 is 180857038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751637056 + 79121025 = 27416^2 + 8895^2 .

It is a cyclic number.

It is not a de Polignac number, because 830758081 - 2¹ = 830758079 is a prime.

It is a super-2 number, since 2×830758081² = 1380317978293605122, which contains 22 as substring.

Together with 830758079, 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 (830758087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415379040 + 415379041.

It is an arithmetic number, because the mean of its divisors is an integer number (415379041).

Almost surely, 2^830758081 is an apocalyptic number.

It is an amenable number.

830758081 is a deficient number, since it is larger than the sum of its proper divisors (1).

830758081 is an equidigital number, since it uses as much as digits as its factorization.

830758081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 830758081 is about 28822.8742668041. The cubic root of 830758081 is about 940.0656665307.

The spelling of 830758081 in words is "eight hundred thirty million, seven hundred fifty-eight thousand, eighty-one".