772464101648 has 10 divisors (see below), whose sum is σ = 1496649196974. Its totient is φ = 386232050816.

The previous prime is 772464101641. The next prime is 772464101653. The reversal of 772464101648 is 846101464277.

It can be written as a sum of positive squares in only one way, i.e., 459884709904 + 312579391744 = 678148^2 + 559088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 772464101596 and 772464101605.

It is not an unprimeable number, because it can be changed into a prime (772464101641) 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, 24139503161 + ... + 24139503192.

Almost surely, 2^772464101648 is an apocalyptic number.

It is an amenable number.

772464101648 is a deficient number, since it is larger than the sum of its proper divisors (724185095326).

772464101648 is a wasteful number, since it uses less digits than its factorization.

772464101648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48279006361 (or 48279006355 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 772464101648 in words is "seven hundred seventy-two billion, four hundred sixty-four million, one hundred one thousand, six hundred forty-eight".