830785999 has 2 divisors, whose sum is σ = 830786000. Its totient is φ = 830785998.

The previous prime is 830785973. The next prime is 830786009. The reversal of 830785999 is 999587038.

830785999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830785999 - 2¹³ = 830777807 is a prime.

It is a super-2 number, since 2×830785999² = 1380410752268856002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830785909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415392999 + 415393000.

It is an arithmetic number, because the mean of its divisors is an integer number (415393000).

Almost surely, 2^830785999 is an apocalyptic number.

830785999 is a deficient number, since it is larger than the sum of its proper divisors (1).

830785999 is an equidigital number, since it uses as much as digits as its factorization.

830785999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The square root of 830785999 is about 28823.3585655801. The cubic root of 830785999 is about 940.0761968563.

The spelling of 830785999 in words is "eight hundred thirty million, seven hundred eighty-five thousand, nine hundred ninety-nine".