773369856 has 364 divisors, whose sum is σ = 2721639952. Its totient is φ = 214990848.

The previous prime is 773369851. The next prime is 773369881. The reversal of 773369856 is 658963377.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (5715360) is a multiple of the sum of its prime divisors (49).

It is not an unprimeable number, because it can be changed into a prime (773369851) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20901870 + ... + 20901906.

Almost surely, 2^773369856 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 773369856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360819976).

773369856 is an abundant number, since it is smaller than the sum of its proper divisors (1948270096).

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

773369856 is an frugal number, since it uses more digits than its factorization.

773369856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 49 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 773369856 is about 27809.5281513369. The cubic root of 773369856 is about 917.9007966618.

The spelling of 773369856 in words is "seven hundred seventy-three million, three hundred sixty-nine thousand, eight hundred fifty-six".