5277777778 has 32 divisors (see below), whose sum is σ = 9799969536. Its totient is φ = 2075830848.

The previous prime is 5277777719. The next prime is 5277777793. The reversal of 5277777778 is 8777777725.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52326 + ... + 115297.

It is an arithmetic number, because the mean of its divisors is an integer number (306249048).

Almost surely, 2^5277777778 is an apocalyptic number.

5277777778 is a deficient number, since it is larger than the sum of its proper divisors (4522191758).

5277777778 is a wasteful number, since it uses less digits than its factorization.

5277777778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167818.

The product of its digits is 65883440, while the sum is 64.

The square root of 5277777778 is about 72648.3157272073. The cubic root of 5277777778 is about 1741.0732113950.

The spelling of 5277777778 in words is "five billion, two hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred seventy-eight".