5552777778 has 16 divisors (see below), whose sum is σ = 11690058720. Its totient is φ = 1753508736.

The previous prime is 5552777773. The next prime is 5552777803. The reversal of 5552777778 is 8777772555.

It is not an unprimeable number, because it can be changed into a prime (5552777773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24354175 + ... + 24354402.

It is an arithmetic number, because the mean of its divisors is an integer number (730628670).

Almost surely, 2^5552777778 is an apocalyptic number.

5552777778 is an abundant number, since it is smaller than the sum of its proper divisors (6137280942).

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

5552777778 is a wasteful number, since it uses less digits than its factorization.

5552777778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48708601.

The product of its digits is 33614000, while the sum is 60.

The square root of 5552777778 is about 74516.9630218516. The cubic root of 5552777778 is about 1770.8023831813.

It can be divided in two parts, 5552777 and 778, that added together give a palindrome (5553555).

The spelling of 5552777778 in words is "five billion, five hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred seventy-eight".