3880042657 has 4 divisors (see below), whose sum is σ = 3882250240. Its totient is φ = 3877835076.

The previous prime is 3880042643. The next prime is 3880042669. The reversal of 3880042657 is 7562400883.

3880042657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3880042657 - 2³¹ = 1732559009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3880042627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101153 + ... + 1104670.

It is an arithmetic number, because the mean of its divisors is an integer number (970562560).

Almost surely, 2^3880042657 is an apocalyptic number.

It is an amenable number.

3880042657 is a deficient number, since it is larger than the sum of its proper divisors (2207583).

3880042657 is a wasteful number, since it uses less digits than its factorization.

3880042657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207582.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 3880042657 is about 62289.9884170803. The cubic root of 3880042657 is about 1571.3713601174.

The spelling of 3880042657 in words is "three billion, eight hundred eighty million, forty-two thousand, six hundred fifty-seven".