786880841 has 2 divisors, whose sum is σ = 786880842. Its totient is φ = 786880840.

The previous prime is 786880793. The next prime is 786880873. The reversal of 786880841 is 148088687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477859600 + 309021241 = 21860^2 + 17579^2 .

It is a cyclic number.

It is not a de Polignac number, because 786880841 - 2¹⁸ = 786618697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 786880841.

It is not a weakly prime, because it can be changed into another prime (786880441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393440420 + 393440421.

It is an arithmetic number, because the mean of its divisors is an integer number (393440421).

Almost surely, 2^786880841 is an apocalyptic number.

It is an amenable number.

786880841 is a deficient number, since it is larger than the sum of its proper divisors (1).

786880841 is an equidigital number, since it uses as much as digits as its factorization.

786880841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 688128, while the sum is 50.

The square root of 786880841 is about 28051.3964180039. The cubic root of 786880841 is about 923.2152940142.

The spelling of 786880841 in words is "seven hundred eighty-six million, eight hundred eighty thousand, eight hundred forty-one".