780678114197 has 2 divisors, whose sum is σ = 780678114198. Its totient is φ = 780678114196.

The previous prime is 780678114193. The next prime is 780678114233. The reversal of 780678114197 is 791411876087.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442616106436 + 338062007761 = 665294^2 + 581431^2 .

It is a cyclic number.

It is not a de Polignac number, because 780678114197 - 2² = 780678114193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (780678114193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390339057098 + 390339057099.

It is an arithmetic number, because the mean of its divisors is an integer number (390339057099).

Almost surely, 2^780678114197 is an apocalyptic number.

It is an amenable number.

780678114197 is a deficient number, since it is larger than the sum of its proper divisors (1).

780678114197 is an equidigital number, since it uses as much as digits as its factorization.

780678114197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 59.

The spelling of 780678114197 in words is "seven hundred eighty billion, six hundred seventy-eight million, one hundred fourteen thousand, one hundred ninety-seven".