857303255 has 16 divisors (see below), whose sum is σ = 1059700224. Its totient is φ = 665431200.

The previous prime is 857303243. The next prime is 857303261. The reversal of 857303255 is 552303758.

It is not a de Polignac number, because 857303255 - 2¹² = 857299159 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19262 + ... + 45668.

It is an arithmetic number, because the mean of its divisors is an integer number (66231264).

Almost surely, 2^857303255 is an apocalyptic number.

857303255 is a deficient number, since it is larger than the sum of its proper divisors (202396969).

857303255 is a wasteful number, since it uses less digits than its factorization.

857303255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26606.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 857303255 is about 29279.7413752239. The cubic root of 857303255 is about 949.9735006459.

The spelling of 857303255 in words is "eight hundred fifty-seven million, three hundred three thousand, two hundred fifty-five".