853157918 has 8 divisors (see below), whose sum is σ = 1279947960. Its totient is φ = 426508600.

The previous prime is 853157911. The next prime is 853157957. The reversal of 853157918 is 819751358.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853157911) 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, 18428 + ... + 45231.

It is an arithmetic number, because the mean of its divisors is an integer number (159993495).

Almost surely, 2^853157918 is an apocalyptic number.

853157918 is a deficient number, since it is larger than the sum of its proper divisors (426790042).

853157918 is a wasteful number, since it uses less digits than its factorization.

853157918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70362.

The product of its digits is 302400, while the sum is 47.

The square root of 853157918 is about 29208.8671125739. The cubic root of 853157918 is about 948.4398836575.

The spelling of 853157918 in words is "eight hundred fifty-three million, one hundred fifty-seven thousand, nine hundred eighteen".