780533713 has 2 divisors, whose sum is σ = 780533714. Its totient is φ = 780533712.

The previous prime is 780533671. The next prime is 780533729. The reversal of 780533713 is 317335087.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513113104 + 267420609 = 22652^2 + 16353^2 .

It is a cyclic number.

It is not a de Polignac number, because 780533713 - 2²⁹ = 243662801 is a prime.

It is equal to p_40195495 and since 780533713 and 40195495 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (780533783) 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, 390266856 + 390266857.

It is an arithmetic number, because the mean of its divisors is an integer number (390266857).

Almost surely, 2^780533713 is an apocalyptic number.

It is an amenable number.

780533713 is a deficient number, since it is larger than the sum of its proper divisors (1).

780533713 is an equidigital number, since it uses as much as digits as its factorization.

780533713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 780533713 is about 27938.0334490458. The cubic root of 780533713 is about 920.7263140470.

The spelling of 780533713 in words is "seven hundred eighty million, five hundred thirty-three thousand, seven hundred thirteen".