857845856330 has 16 divisors (see below), whose sum is σ = 1559410885224. Its totient is φ = 339740932800.

The previous prime is 857845856323. The next prime is 857845856389. The reversal of 857845856330 is 33658548758.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 851358681481 + 6487174849 = 922691^2 + 80543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424675157 + ... + 424677176.

Almost surely, 2^857845856330 is an apocalyptic number.

857845856330 is a deficient number, since it is larger than the sum of its proper divisors (701565028894).

857845856330 is a wasteful number, since it uses less digits than its factorization.

857845856330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849352441.

The product of its (nonzero) digits is 96768000, while the sum is 62.

The spelling of 857845856330 in words is "eight hundred fifty-seven billion, eight hundred forty-five million, eight hundred fifty-six thousand, three hundred thirty".