893845781311 has 32 divisors (see below), whose sum is σ = 1122794496000. Its totient is φ = 709202229120.

The previous prime is 893845781263. The next prime is 893845781317. The reversal of 893845781311 is 113187548398.

It is a de Polignac number, because none of the positive numbers 2^k-893845781311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893845781317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1582906 + ... + 2072023.

It is an arithmetic number, because the mean of its divisors is an integer number (35087328000).

Almost surely, 2^893845781311 is an apocalyptic number.

893845781311 is a deficient number, since it is larger than the sum of its proper divisors (228948714689).

893845781311 is a wasteful number, since it uses less digits than its factorization.

893845781311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655004 (or 3654990 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The spelling of 893845781311 in words is "eight hundred ninety-three billion, eight hundred forty-five million, seven hundred eighty-one thousand, three hundred eleven".