853786470 has 64 divisors (see below), whose sum is σ = 2215284480. Its totient is φ = 209858688.

The previous prime is 853786429. The next prime is 853786499. The reversal of 853786470 is 74687358.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 849 + ... + 41331.

It is an arithmetic number, because the mean of its divisors is an integer number (34613820).

Almost surely, 2^853786470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853786470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107642240).

853786470 is an abundant number, since it is smaller than the sum of its proper divisors (1361498010).

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

853786470 is a wasteful number, since it uses less digits than its factorization.

853786470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40549.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 853786470 is about 29219.6247409168. The cubic root of 853786470 is about 948.6727430274.

The spelling of 853786470 in words is "eight hundred fifty-three million, seven hundred eighty-six thousand, four hundred seventy".