780068799 has 10 divisors (see below), whose sum is σ = 1165288080. Its totient is φ = 520045812.

The previous prime is 780068797. The next prime is 780068801. The reversal of 780068799 is 997860087.

It is an interprime number because it is at equal distance from previous prime (780068797) and next prime (780068801).

It is not a de Polignac number, because 780068799 - 2¹ = 780068797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780068797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4815159 + ... + 4815320.

It is an arithmetic number, because the mean of its divisors is an integer number (116528808).

Almost surely, 2^780068799 is an apocalyptic number.

780068799 is a deficient number, since it is larger than the sum of its proper divisors (385219281).

780068799 is an equidigital number, since it uses as much as digits as its factorization.

780068799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9630491 (or 9630482 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 780068799 is about 27929.7117600594. The cubic root of 780068799 is about 920.5434718185.

The spelling of 780068799 in words is "seven hundred eighty million, sixty-eight thousand, seven hundred ninety-nine".