853320057 has 8 divisors (see below), whose sum is σ = 1138070784. Its totient is φ = 568724688.

The previous prime is 853320053. The next prime is 853320073. The reversal of 853320057 is 750023358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 853320057 - 2² = 853320053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (853320053) 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, 25353 + ... + 48470.

It is an arithmetic number, because the mean of its divisors is an integer number (142258848).

Almost surely, 2^853320057 is an apocalyptic number.

It is an amenable number.

853320057 is a deficient number, since it is larger than the sum of its proper divisors (284750727).

853320057 is a wasteful number, since it uses less digits than its factorization.

853320057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77679.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 853320057 is about 29211.6424906235. The cubic root of 853320057 is about 948.4999621613.

The spelling of 853320057 in words is "eight hundred fifty-three million, three hundred twenty thousand, fifty-seven".