773996544 has 180 divisors, whose sum is σ = 2325801660. Its totient is φ = 247726080.

The previous prime is 773996539. The next prime is 773996549. The reversal of 773996544 is 445699377.

It is a happy number.

773996544 is a `hidden beast` number, since 7 + 7 + 3 + 9 + 96 + 544 = 666.

It is an interprime number because it is at equal distance from previous prime (773996539) and next prime (773996549).

It can be written as a sum of positive squares in 2 ways, for example, as 150994944 + 623001600 = 12288^2 + 24960^2 .

It is not an unprimeable number, because it can be changed into a prime (773996549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4276134 + ... + 4276314.

Almost surely, 2^773996544 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 773996544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162900830).

773996544 is an abundant number, since it is smaller than the sum of its proper divisors (1551805116).

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

773996544 is a wasteful number, since it uses less digits than its factorization.

773996544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 215 counting only the distinct ones).

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

The square root of 773996544 is about 27820.7933747404. The cubic root of 773996544 is about 918.1486651737.

The spelling of 773996544 in words is "seven hundred seventy-three million, nine hundred ninety-six thousand, five hundred forty-four".