2530277778 has 24 divisors (see below), whose sum is σ = 5886769392. Its totient is φ = 722936424.

The previous prime is 2530277723. The next prime is 2530277779. The reversal of 2530277778 is 8777720352.

It is a happy number.

2530277778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2530277779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4302900 + ... + 4303487.

It is an arithmetic number, because the mean of its divisors is an integer number (245282058).

Almost surely, 2^2530277778 is an apocalyptic number.

2530277778 is an abundant number, since it is smaller than the sum of its proper divisors (3356491614).

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

2530277778 is a wasteful number, since it uses less digits than its factorization.

2530277778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606406 (or 8606399 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 48.

The square root of 2530277778 is about 50301.8665458848. The cubic root of 2530277778 is about 1362.6659388614.

The spelling of 2530277778 in words is "two billion, five hundred thirty million, two hundred seventy-seven thousand, seven hundred seventy-eight".