782320010281 has 2 divisors, whose sum is σ = 782320010282. Its totient is φ = 782320010280.

The previous prime is 782320010249. The next prime is 782320010321. The reversal of 782320010281 is 182010023287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782304870400 + 15139881 = 884480^2 + 3891^2 .

It is a cyclic number.

It is not a de Polignac number, because 782320010281 - 2⁵ = 782320010249 is a prime.

It is a super-2 number, since 2×782320010281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (782320010981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391160005140 + 391160005141.

It is an arithmetic number, because the mean of its divisors is an integer number (391160005141).

Almost surely, 2^782320010281 is an apocalyptic number.

It is an amenable number.

782320010281 is a deficient number, since it is larger than the sum of its proper divisors (1).

782320010281 is an equidigital number, since it uses as much as digits as its factorization.

782320010281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 782320010281 in words is "seven hundred eighty-two billion, three hundred twenty million, ten thousand, two hundred eighty-one".