773112215824 has 135 divisors (see below), whose sum is σ = 1670669845677. Its totient is φ = 346417523712.

The previous prime is 773112215819. The next prime is 773112215849. The reversal of 773112215824 is 428512211377.

The square root of 773112215824 is 879268.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 72824419600 + 700287796224 = 269860^2 + 836832^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1691711404 + ... + 1691711860.

Almost surely, 2^773112215824 is an apocalyptic number.

773112215824 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

773112215824 is the 879268-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773112215824

773112215824 is an abundant number, since it is smaller than the sum of its proper divisors (897557629853).

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

773112215824 is an equidigital number, since it uses as much as digits as its factorization.

773112215824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 509 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The spelling of 773112215824 in words is "seven hundred seventy-three billion, one hundred twelve million, two hundred fifteen thousand, eight hundred twenty-four".