853616347 has 4 divisors (see below), whose sum is σ = 862068096. Its totient is φ = 845164600.

The previous prime is 853616339. The next prime is 853616353. The reversal of 853616347 is 743616358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 853616347 - 2³ = 853616339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853616047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225723 + ... + 4225924.

It is an arithmetic number, because the mean of its divisors is an integer number (215517024).

Almost surely, 2^853616347 is an apocalyptic number.

853616347 is a deficient number, since it is larger than the sum of its proper divisors (8451749).

853616347 is a wasteful number, since it uses less digits than its factorization.

853616347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451748.

The product of its digits is 362880, while the sum is 43.

The square root of 853616347 is about 29216.7134873175. The cubic root of 853616347 is about 948.6097289212.

The spelling of 853616347 in words is "eight hundred fifty-three million, six hundred sixteen thousand, three hundred forty-seven".