8853937746721 has 4 divisors (see below), whose sum is σ = 8858411694000. Its totient is φ = 8849463799444.

The previous prime is 8853937746707. The next prime is 8853937746739. The reversal of 8853937746721 is 1276477393588.

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 a cyclic number.

It is not a de Polignac number, because 8853937746721 - 2⁴³ = 57844724513 is a prime.

It is a super-3 number, since 3×8853937746721³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8853937716721) 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, 2236970671 + ... + 2236974628.

It is an arithmetic number, because the mean of its divisors is an integer number (2214602923500).

Almost surely, 2^{8853937746721} is an apocalyptic number.

It is an amenable number.

8853937746721 is a deficient number, since it is larger than the sum of its proper divisors (4473947279).

8853937746721 is a wasteful number, since it uses less digits than its factorization.

8853937746721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473947278.

The product of its digits is 426746880, while the sum is 70.

The spelling of 8853937746721 in words is "eight trillion, eight hundred fifty-three billion, nine hundred thirty-seven million, seven hundred forty-six thousand, seven hundred twenty-one".