848857645 has 8 divisors (see below), whose sum is σ = 1043474040. Its totient is φ = 662522880.

The previous prime is 848857627. The next prime is 848857687. The reversal of 848857645 is 546758848.

It can be written as a sum of positive squares in 4 ways, for example, as 11276164 + 837581481 = 3358^2 + 28941^2 .

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

It is not a de Polignac number, because 848857645 - 2¹⁷ = 848726573 is a prime.

It is a super-3 number, since 3×848857645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2070180 + ... + 2070589.

It is an arithmetic number, because the mean of its divisors is an integer number (130434255).

Almost surely, 2^848857645 is an apocalyptic number.

It is an amenable number.

848857645 is a deficient number, since it is larger than the sum of its proper divisors (194616395).

848857645 is a wasteful number, since it uses less digits than its factorization.

848857645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140815.

The product of its digits is 8601600, while the sum is 55.

The square root of 848857645 is about 29135.1616607837. The cubic root of 848857645 is about 946.8436874845.

The spelling of 848857645 in words is "eight hundred forty-eight million, eight hundred fifty-seven thousand, six hundred forty-five".