2057784297 has 8 divisors (see below), whose sum is σ = 2746830240. Its totient is φ = 1370297280.

The previous prime is 2057784277. The next prime is 2057784299. The reversal of 2057784297 is 7924877502.

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

It is not a de Polignac number, because 2057784297 - 2¹¹ = 2057782249 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 386647 + ... + 391932.

It is an arithmetic number, because the mean of its divisors is an integer number (343353780).

Almost surely, 2^2057784297 is an apocalyptic number.

It is an amenable number.

2057784297 is a deficient number, since it is larger than the sum of its proper divisors (689045943).

2057784297 is an equidigital number, since it uses as much as digits as its factorization.

2057784297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779463.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 2057784297 is about 45362.8074197354. The cubic root of 2057784297 is about 1271.9399737061.

The spelling of 2057784297 in words is "two billion, fifty-seven million, seven hundred eighty-four thousand, two hundred ninety-seven".