4056657887 has 2 divisors, whose sum is σ = 4056657888. Its totient is φ = 4056657886.

The previous prime is 4056657853. The next prime is 4056657889. The reversal of 4056657887 is 7887566504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4056657887 - 2⁶ = 4056657823 is a prime.

Together with 4056657889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4056657889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028328943 + 2028328944.

It is an arithmetic number, because the mean of its divisors is an integer number (2028328944).

Almost surely, 2^4056657887 is an apocalyptic number.

4056657887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4056657887 is an equidigital number, since it uses as much as digits as its factorization.

4056657887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The square root of 4056657887 is about 63691.8981268418. The cubic root of 4056657887 is about 1594.8608398553.

The spelling of 4056657887 in words is "four billion, fifty-six million, six hundred fifty-seven thousand, eight hundred eighty-seven".