857411152 has 20 divisors (see below), whose sum is σ = 1789021780. Its totient is φ = 395728128.

The previous prime is 857411141. The next prime is 857411153. The reversal of 857411152 is 251114758.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 804062736 = 7304^2 + 28356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857411153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060877 + ... + 2061292.

It is an arithmetic number, because the mean of its divisors is an integer number (89451089).

Almost surely, 2^857411152 is an apocalyptic number.

It is an amenable number.

857411152 is an abundant number, since it is smaller than the sum of its proper divisors (931610628).

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

857411152 is a wasteful number, since it uses less digits than its factorization.

857411152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122190 (or 4122184 counting only the distinct ones).

The product of its digits is 11200, while the sum is 34.

The square root of 857411152 is about 29281.5838369443. The cubic root of 857411152 is about 950.0133523516.

The spelling of 857411152 in words is "eight hundred fifty-seven million, four hundred eleven thousand, one hundred fifty-two".