71844108853 has 16 divisors (see below), whose sum is σ = 82510272000. Its totient is φ = 61867914480.

The previous prime is 71844108851. The next prime is 71844108863. The reversal of 71844108853 is 35880144817.

It is a cyclic number.

It is not a de Polignac number, because 71844108853 - 2¹ = 71844108851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71844108797 and 71844108806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71844108851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430400 + ... + 2459782.

It is an arithmetic number, because the mean of its divisors is an integer number (5156892000).

Almost surely, 2^71844108853 is an apocalyptic number.

It is an amenable number.

71844108853 is a deficient number, since it is larger than the sum of its proper divisors (10666163147).

71844108853 is a wasteful number, since it uses less digits than its factorization.

71844108853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41112.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 71844108853 in words is "seventy-one billion, eight hundred forty-four million, one hundred eight thousand, eight hundred fifty-three".