2655302778 has 12 divisors (see below), whose sum is σ = 5753156058. Its totient is φ = 885100920.

The previous prime is 2655302773. The next prime is 2655302789. The reversal of 2655302778 is 8772035562.

2655302778 is a `hidden beast` number, since 2 + 6 + 553 + 0 + 27 + 78 = 666.

2655302778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2652971049 + 2331729 = 51507^2 + 1527^2 .

It is not an unprimeable number, because it can be changed into a prime (2655302773) 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, 73758393 + ... + 73758428.

Almost surely, 2^2655302778 is an apocalyptic number.

2655302778 is an abundant number, since it is smaller than the sum of its proper divisors (3097853280).

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

2655302778 is a wasteful number, since it uses less digits than its factorization.

2655302778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147516829 (or 147516826 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 2655302778 is about 51529.6300976438. The cubic root of 2655302778 is about 1384.7499238741.

The spelling of 2655302778 in words is "two billion, six hundred fifty-five million, three hundred two thousand, seven hundred seventy-eight".