57870871 has 2 divisors, whose sum is σ = 57870872. Its totient is φ = 57870870.

The previous prime is 57870847. The next prime is 57870881. The reversal of 57870871 is 17807875.

It is a happy number.

57870871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57870871 - 2⁹ = 57870359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57870821) 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 as a sum of consecutive naturals, namely, 28935435 + 28935436.

It is an arithmetic number, because the mean of its divisors is an integer number (28935436).

Almost surely, 2^57870871 is an apocalyptic number.

57870871 is a deficient number, since it is larger than the sum of its proper divisors (1).

57870871 is an equidigital number, since it uses as much as digits as its factorization.

57870871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109760, while the sum is 43.

The square root of 57870871 is about 7607.2906477931. The cubic root of 57870871 is about 386.8001848486.

The spelling of 57870871 in words is "fifty-seven million, eight hundred seventy thousand, eight hundred seventy-one".