5771305778 has 16 divisors (see below), whose sum is σ = 10061357760. Its totient is φ = 2431494096.

The previous prime is 5771305753. The next prime is 5771305801. The reversal of 5771305778 is 8775031775.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492701 + ... + 3494352.

It is an arithmetic number, because the mean of its divisors is an integer number (628834860).

Almost surely, 2^5771305778 is an apocalyptic number.

5771305778 is a deficient number, since it is larger than the sum of its proper divisors (4290051982).

5771305778 is a wasteful number, since it uses less digits than its factorization.

5771305778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987121.

The product of its (nonzero) digits is 1440600, while the sum is 50.

The square root of 5771305778 is about 75969.1106832244. The cubic root of 5771305778 is about 1793.7339508040.

The spelling of 5771305778 in words is "five billion, seven hundred seventy-one million, three hundred five thousand, seven hundred seventy-eight".