5777801856 has 48 divisors (see below), whose sum is σ = 16626230010. Its totient is φ = 1925933568.

The previous prime is 5777801839. The next prime is 5777801857. The reversal of 5777801856 is 6581087775.

It is a happy number.

5777801856 is a `hidden beast` number, since 577 + 7 + 8 + 0 + 18 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5326664256 + 451137600 = 72984^2 + 21240^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (5777801857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2506575 + ... + 2508878.

Almost surely, 2^5777801856 is an apocalyptic number.

It is an amenable number.

5777801856 is an abundant number, since it is smaller than the sum of its proper divisors (10848428154).

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

5777801856 is a wasteful number, since it uses less digits than its factorization.

5777801856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015473 (or 5015458 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 54.

The square root of 5777801856 is about 76011.8533914284. The cubic root of 5777801856 is about 1794.4066966831.

The spelling of 5777801856 in words is "five billion, seven hundred seventy-seven million, eight hundred one thousand, eight hundred fifty-six".