857317030 has 16 divisors (see below), whose sum is σ = 1544718240. Its totient is φ = 342582912.

The previous prime is 857317009. The next prime is 857317039. The reversal of 857317030 is 30713758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857317039) 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, 32394 + ... + 52573.

It is an arithmetic number, because the mean of its divisors is an integer number (96544890).

Almost surely, 2^857317030 is an apocalyptic number.

857317030 is a deficient number, since it is larger than the sum of its proper divisors (687401210).

857317030 is a wasteful number, since it uses less digits than its factorization.

857317030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85983.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 857317030 is about 29279.9766051819. The cubic root of 857317030 is about 949.9785886218.

The spelling of 857317030 in words is "eight hundred fifty-seven million, three hundred seventeen thousand, thirty".