780068338036 has 12 divisors (see below), whose sum is σ = 1470128791012. Its totient is φ = 360031540608.

The previous prime is 780068338009. The next prime is 780068338039. The reversal of 780068338036 is 630833860087.

It can be written as a sum of positive squares in 2 ways, for example, as 366933062500 + 413135275536 = 605750^2 + 642756^2 .

It is a super-2 number, since 2×780068338036² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 15001314193 = 780068338036 / (7 + 8 + 0 + 0 + 6 + 8 + 3 + 3 + 8 + 0 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780068338039) 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 3 ways as a sum of consecutive naturals, for example, 7500657045 + ... + 7500657148.

Almost surely, 2^780068338036 is an apocalyptic number.

It is an amenable number.

780068338036 is a deficient number, since it is larger than the sum of its proper divisors (690060452976).

780068338036 is a wasteful number, since it uses less digits than its factorization.

780068338036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001314210 (or 15001314208 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 780068338036 in words is "seven hundred eighty billion, sixty-eight million, three hundred thirty-eight thousand, thirty-six".