857471160 has 512 divisors, whose sum is σ = 3483648000. Its totient is φ = 163676160.

The previous prime is 857471137. The next prime is 857471161. The reversal of 857471160 is 61174758.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857471161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5754766 + ... + 5754914.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^857471160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 857471160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824000).

857471160 is an abundant number, since it is smaller than the sum of its proper divisors (2626176840).

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

857471160 is a wasteful number, since it uses less digits than its factorization.

857471160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 857471160 is about 29282.6084903651. The cubic root of 857471160 is about 950.0355148311.

The spelling of 857471160 in words is "eight hundred fifty-seven million, four hundred seventy-one thousand, one hundred sixty".