774080140744 has 8 divisors (see below), whose sum is σ = 1451400263910. Its totient is φ = 387040070368.

The previous prime is 774080140727. The next prime is 774080140747. The reversal of 774080140744 is 447041080477.

It can be written as a sum of positive squares in only one way, i.e., 432161612100 + 341918528644 = 657390^2 + 584738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 774080140694 and 774080140703.

It is not an unprimeable number, because it can be changed into a prime (774080140747) 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, 48380008789 + ... + 48380008804.

Almost surely, 2^774080140744 is an apocalyptic number.

It is an amenable number.

774080140744 is a deficient number, since it is larger than the sum of its proper divisors (677320123166).

774080140744 is a wasteful number, since it uses less digits than its factorization.

774080140744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96760017599 (or 96760017595 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 46.

The spelling of 774080140744 in words is "seven hundred seventy-four billion, eighty million, one hundred forty thousand, seven hundred forty-four".