857557141 has 8 divisors (see below), whose sum is σ = 980504064. Its totient is φ = 734719920.

The previous prime is 857557121. The next prime is 857557157. The reversal of 857557141 is 141755758.

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 857557141 - 2⁹ = 857556629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857557121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9925 + ... + 42586.

It is an arithmetic number, because the mean of its divisors is an integer number (122563008).

Almost surely, 2^857557141 is an apocalyptic number.

It is an amenable number.

857557141 is a deficient number, since it is larger than the sum of its proper divisors (122946923).

857557141 is a wasteful number, since it uses less digits than its factorization.

857557141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54851.

The product of its digits is 196000, while the sum is 43.

The square root of 857557141 is about 29284.0765775532. The cubic root of 857557141 is about 950.0672679976.

The spelling of 857557141 in words is "eight hundred fifty-seven million, five hundred fifty-seven thousand, one hundred forty-one".