774113223648 has 24 divisors (see below), whose sum is σ = 2032047212328. Its totient is φ = 258037741184.

The previous prime is 774113223589. The next prime is 774113223649. The reversal of 774113223648 is 846322311477.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 774113223597 and 774113223606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774113223649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031839611 + ... + 4031839802.

It is an arithmetic number, because the mean of its divisors is an integer number (84668633847).

Almost surely, 2^774113223648 is an apocalyptic number.

It is an amenable number.

774113223648 is an abundant number, since it is smaller than the sum of its proper divisors (1257933988680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774113223648 is a wasteful number, since it uses less digits than its factorization.

774113223648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063679426 (or 8063679418 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The spelling of 774113223648 in words is "seven hundred seventy-four billion, one hundred thirteen million, two hundred twenty-three thousand, six hundred forty-eight".