42895657 has 8 divisors (see below), whose sum is σ = 49644800. Its totient is φ = 36301824.

The previous prime is 42895637. The next prime is 42895687. The reversal of 42895657 is 75659824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42895657 - 2¹⁹ = 42371369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42895637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38232 + ... + 39337.

It is an arithmetic number, because the mean of its divisors is an integer number (6205600).

Almost surely, 2^42895657 is an apocalyptic number.

It is an amenable number.

42895657 is a deficient number, since it is larger than the sum of its proper divisors (6749143).

42895657 is an equidigital number, since it uses as much as digits as its factorization.

42895657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77655.

The product of its digits is 604800, while the sum is 46.

The square root of 42895657 is about 6549.4776127566. The cubic root of 42895657 is about 350.0562004991.

The spelling of 42895657 in words is "forty-two million, eight hundred ninety-five thousand, six hundred fifty-seven".