853785768 has 64 divisors (see below), whose sum is σ = 2366723520. Its totient is φ = 254476800.

The previous prime is 853785739. The next prime is 853785791. The reversal of 853785768 is 867587358.

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, 10405 + ... + 42612.

It is an arithmetic number, because the mean of its divisors is an integer number (36980055).

Almost surely, 2^853785768 is an apocalyptic number.

853785768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

853785768 is an abundant number, since it is smaller than the sum of its proper divisors (1512937752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853785768 is a wasteful number, since it uses less digits than its factorization.

853785768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53098 (or 53094 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The square root of 853785768 is about 29219.6127284398. The cubic root of 853785768 is about 948.6724830215.

The spelling of 853785768 in words is "eight hundred fifty-three million, seven hundred eighty-five thousand, seven hundred sixty-eight".