2057784298 has 8 divisors (see below), whose sum is σ = 3128959908. Its totient is φ = 1014797664.

The previous prime is 2057784277. The next prime is 2057784299. The reversal of 2057784298 is 8924877502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1950723889 + 107060409 = 44167^2 + 10347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2057784299) 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 3 ways as a sum of consecutive naturals, for example, 7047061 + ... + 7047352.

Almost surely, 2^2057784298 is an apocalyptic number.

2057784298 is a deficient number, since it is larger than the sum of its proper divisors (1071175610).

2057784298 is a wasteful number, since it uses less digits than its factorization.

2057784298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094488.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 2057784298 is about 45362.8074307576. The cubic root of 2057784298 is about 1271.9399739121.

The spelling of 2057784298 in words is "two billion, fifty-seven million, seven hundred eighty-four thousand, two hundred ninety-eight".