773344403328 has 128 divisors (see below), whose sum is σ = 2348555973120. Its totient is φ = 220870526976.

The previous prime is 773344403317. The next prime is 773344403333. The reversal of 773344403328 is 823304443377.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7104126 + ... + 7212162.

It is an arithmetic number, because the mean of its divisors is an integer number (18348093540).

Almost surely, 2^773344403328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773344403328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174277986560).

773344403328 is an abundant number, since it is smaller than the sum of its proper divisors (1575211569792).

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

773344403328 is a wasteful number, since it uses less digits than its factorization.

773344403328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110724 (or 110712 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 773344403328 in words is "seven hundred seventy-three billion, three hundred forty-four million, four hundred three thousand, three hundred twenty-eight".