830188769 has 2 divisors, whose sum is σ = 830188770. Its totient is φ = 830188768.

The previous prime is 830188747. The next prime is 830188783. The reversal of 830188769 is 967881038.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595945744 + 234243025 = 24412^2 + 15305^2 .

It is a cyclic number.

It is not a de Polignac number, because 830188769 - 2²⁴ = 813411553 is a prime.

It is a super-2 number, since 2×830188769² = 1378426784347470722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (830188369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415094384 + 415094385.

It is an arithmetic number, because the mean of its divisors is an integer number (415094385).

Almost surely, 2^830188769 is an apocalyptic number.

It is an amenable number.

830188769 is a deficient number, since it is larger than the sum of its proper divisors (1).

830188769 is an equidigital number, since it uses as much as digits as its factorization.

830188769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 830188769 is about 28812.9965293442. The cubic root of 830188769 is about 939.8508775817.

The spelling of 830188769 in words is "eight hundred thirty million, one hundred eighty-eight thousand, seven hundred sixty-nine".