780334097 has 2 divisors, whose sum is σ = 780334098. Its totient is φ = 780334096.

The previous prime is 780334067. The next prime is 780334127. The reversal of 780334097 is 790433087.

It is a balanced prime because it is at equal distance from previous prime (780334067) and next prime (780334127).

It can be written as a sum of positive squares in only one way, i.e., 507555841 + 272778256 = 22529^2 + 16516^2 .

It is a cyclic number.

It is not a de Polignac number, because 780334097 - 2¹⁶ = 780268561 is a prime.

It is not a weakly prime, because it can be changed into another prime (780334007) 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, 390167048 + 390167049.

It is an arithmetic number, because the mean of its divisors is an integer number (390167049).

Almost surely, 2^780334097 is an apocalyptic number.

It is an amenable number.

780334097 is a deficient number, since it is larger than the sum of its proper divisors (1).

780334097 is an equidigital number, since it uses as much as digits as its factorization.

780334097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 780334097 is about 27934.4607429605. The cubic root of 780334097 is about 920.6478175982.

The spelling of 780334097 in words is "seven hundred eighty million, three hundred thirty-four thousand, ninety-seven".