2057680307 has 4 divisors (see below), whose sum is σ = 2082471720. Its totient is φ = 2032888896.

The previous prime is 2057680301. The next prime is 2057680379. The reversal of 2057680307 is 7030867502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2057680307 - 2⁴ = 2057680291 is a prime.

It is a super-2 number, since 2×2057680307² = 8468096491631228498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057680301) 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, 12395582 + ... + 12395747.

It is an arithmetic number, because the mean of its divisors is an integer number (520617930).

Almost surely, 2^2057680307 is an apocalyptic number.

2057680307 is a deficient number, since it is larger than the sum of its proper divisors (24791413).

2057680307 is an equidigital number, since it uses as much as digits as its factorization.

2057680307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24791412.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2057680307 is about 45361.6612019445. The cubic root of 2057680307 is about 1271.9185475430.

The spelling of 2057680307 in words is "two billion, fifty-seven million, six hundred eighty thousand, three hundred seven".