853038857 has 32 divisors (see below), whose sum is σ = 983664000. Its totient is φ = 732659200.

The previous prime is 853038853. The next prime is 853038871. The reversal of 853038857 is 758830358.

It is a cyclic number.

It is not a de Polignac number, because 853038857 - 2² = 853038853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (853038853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5725019 + ... + 5725167.

It is an arithmetic number, because the mean of its divisors is an integer number (30739500).

Almost surely, 2^853038857 is an apocalyptic number.

It is an amenable number.

853038857 is a deficient number, since it is larger than the sum of its proper divisors (130625143).

853038857 is a wasteful number, since it uses less digits than its factorization.

853038857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 853038857 is about 29206.8289446150. The cubic root of 853038857 is about 948.3957623009.

The spelling of 853038857 in words is "eight hundred fifty-three million, thirty-eight thousand, eight hundred fifty-seven".