77055264530244 has 1152 divisors, whose sum is σ = 275167327518720. Its totient is φ = 17535191040000.

The previous prime is 77055264530243. The next prime is 77055264530273. The reversal of 77055264530244 is 44203546255077.

77055264530244 is a `hidden beast` number, since 7 + 7 + 0 + 5 + 5 + 2 + 64 + 530 + 2 + 44 = 666.

It is not an unprimeable number, because it can be changed into a prime (77055264530243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 35657224524 + ... + 35657226684.

It is an arithmetic number, because the mean of its divisors is an integer number (238860527360).

Almost surely, 2^{77055264530244} 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 77055264530244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137583663759360).

77055264530244 is an abundant number, since it is smaller than the sum of its proper divisors (198112062988476).

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

77055264530244 is a wasteful number, since it uses less digits than its factorization.

77055264530244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 54.

The spelling of 77055264530244 in words is "seventy-seven trillion, fifty-five billion, two hundred sixty-four million, five hundred thirty thousand, two hundred forty-four".