3920682757 has 4 divisors (see below), whose sum is σ = 3935590560. Its totient is φ = 3905774956.

The previous prime is 3920682739. The next prime is 3920682761. The reversal of 3920682757 is 7572860293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3920682757 - 2⁷ = 3920682629 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3920682757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920382757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7453507 + ... + 7454032.

It is an arithmetic number, because the mean of its divisors is an integer number (983897640).

Almost surely, 2^3920682757 is an apocalyptic number.

It is an amenable number.

3920682757 is a deficient number, since it is larger than the sum of its proper divisors (14907803).

3920682757 is a wasteful number, since it uses less digits than its factorization.

3920682757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14907802.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 3920682757 is about 62615.3556006831. The cubic root of 3920682757 is about 1576.8385694050.

The spelling of 3920682757 in words is "three billion, nine hundred twenty million, six hundred eighty-two thousand, seven hundred fifty-seven".