857448119361 has 4 divisors (see below), whose sum is σ = 1143264159152. Its totient is φ = 571632079572.

The previous prime is 857448119357. The next prime is 857448119383. The reversal of 857448119361 is 163911844758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 857448119361 - 2² = 857448119357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (857448119461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142908019891 + ... + 142908019896.

It is an arithmetic number, because the mean of its divisors is an integer number (285816039788).

Almost surely, 2^857448119361 is an apocalyptic number.

It is an amenable number.

857448119361 is a deficient number, since it is larger than the sum of its proper divisors (285816039791).

857448119361 is a wasteful number, since it uses less digits than its factorization.

857448119361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285816039790.

The product of its digits is 5806080, while the sum is 57.

The spelling of 857448119361 in words is "eight hundred fifty-seven billion, four hundred forty-eight million, one hundred nineteen thousand, three hundred sixty-one".