776946241 has 2 divisors, whose sum is σ = 776946242. Its totient is φ = 776946240.

The previous prime is 776946229. The next prime is 776946251. The reversal of 776946241 is 142649677.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650046016 + 126900225 = 25496^2 + 11265^2 .

It is a cyclic number.

It is not a de Polignac number, because 776946241 - 2¹⁹ = 776421953 is a prime.

It is a super-2 number, since 2×776946241² = 1207290922808060162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 776946191 and 776946200.

It is not a weakly prime, because it can be changed into another prime (776946251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388473120 + 388473121.

It is an arithmetic number, because the mean of its divisors is an integer number (388473121).

Almost surely, 2^776946241 is an apocalyptic number.

It is an amenable number.

776946241 is a deficient number, since it is larger than the sum of its proper divisors (1).

776946241 is an equidigital number, since it uses as much as digits as its factorization.

776946241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 776946241 is about 27873.7554161616. The cubic root of 776946241 is about 919.3135399874.

The spelling of 776946241 in words is "seven hundred seventy-six million, nine hundred forty-six thousand, two hundred forty-one".