2557803886 has 16 divisors (see below), whose sum is σ = 4329825840. Its totient is φ = 1122546880.

The previous prime is 2557803877. The next prime is 2557803887. The reversal of 2557803886 is 6883087552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557803887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2003911 + ... + 2005186.

It is an arithmetic number, because the mean of its divisors is an integer number (270614115).

Almost surely, 2^2557803886 is an apocalyptic number.

2557803886 is a deficient number, since it is larger than the sum of its proper divisors (1772021954).

2557803886 is a wasteful number, since it uses less digits than its factorization.

2557803886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009139.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The square root of 2557803886 is about 50574.7356493338. The cubic root of 2557803886 is about 1367.5894681262.

The spelling of 2557803886 in words is "two billion, five hundred fifty-seven million, eight hundred three thousand, eight hundred eighty-six".