777673773441 has 12 divisors (see below), whose sum is σ = 1153666198932. Its totient is φ = 504437042016.

The previous prime is 777673773407. The next prime is 777673773473. The reversal of 777673773441 is 144377376777.

It can be written as a sum of positive squares in 2 ways, for example, as 315007175025 + 462666598416 = 561255^2 + 680196^2 .

It is not a de Polignac number, because 777673773441 - 2⁷ = 777673773313 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (777673773941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1167678006 + ... + 1167678671.

It is an arithmetic number, because the mean of its divisors is an integer number (96138849911).

Almost surely, 2^777673773441 is an apocalyptic number.

It is an amenable number.

777673773441 is a deficient number, since it is larger than the sum of its proper divisors (375992425491).

777673773441 is a wasteful number, since it uses less digits than its factorization.

777673773441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335356720 (or 2335356717 counting only the distinct ones).

The product of its digits is 101648736, while the sum is 63.

The spelling of 777673773441 in words is "seven hundred seventy-seven billion, six hundred seventy-three million, seven hundred seventy-three thousand, four hundred forty-one".