773977344 has 216 divisors, whose sum is σ = 2429890848. Its totient is φ = 218050560.

The previous prime is 773977327. The next prime is 773977349. The reversal of 773977344 is 443779377.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773977349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4929714 + ... + 4929870.

Almost surely, 2^773977344 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 773977344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214945424).

773977344 is an abundant number, since it is smaller than the sum of its proper divisors (1655913504).

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

773977344 is a wasteful number, since it uses less digits than its factorization.

773977344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 300 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 51.

The square root of 773977344 is about 27820.4483069558. The cubic root of 773977344 is about 918.1410731501.

The spelling of 773977344 in words is "seven hundred seventy-three million, nine hundred seventy-seven thousand, three hundred forty-four".