2555566797 has 16 divisors (see below), whose sum is σ = 4028480640. Its totient is φ = 1409967552.

The previous prime is 2555566781. The next prime is 2555566799. The reversal of 2555566797 is 7976655552.

2555566797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2555566797 - 2⁴ = 2555566781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555566799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097558 + ... + 2098775.

It is an arithmetic number, because the mean of its divisors is an integer number (251780040).

Almost surely, 2^2555566797 is an apocalyptic number.

It is an amenable number.

2555566797 is a deficient number, since it is larger than the sum of its proper divisors (1472913843).

2555566797 is a wasteful number, since it uses less digits than its factorization.

2555566797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196372.

The product of its digits is 19845000, while the sum is 57.

The square root of 2555566797 is about 50552.6141460558. The cubic root of 2555566797 is about 1367.1906479062.

The spelling of 2555566797 in words is "two billion, five hundred fifty-five million, five hundred sixty-six thousand, seven hundred ninety-seven".