5077780778 has 16 divisors (see below), whose sum is σ = 8729861184. Its totient is φ = 2169918240.

The previous prime is 5077780753. The next prime is 5077780843. The reversal of 5077780778 is 8770877705.

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, 517763 + ... + 527478.

It is an arithmetic number, because the mean of its divisors is an integer number (545616324).

Almost surely, 2^5077780778 is an apocalyptic number.

5077780778 is a deficient number, since it is larger than the sum of its proper divisors (3652080406).

5077780778 is a wasteful number, since it uses less digits than its factorization.

5077780778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045597.

The product of its (nonzero) digits is 5378240, while the sum is 56.

The square root of 5077780778 is about 71258.5488064415. The cubic root of 5077780778 is about 1718.7972457175.

The spelling of 5077780778 in words is "five billion, seventy-seven million, seven hundred eighty thousand, seven hundred seventy-eight".