872708141447 has 4 divisors (see below), whose sum is σ = 872712146280. Its totient is φ = 872704136616.

The previous prime is 872708141429. The next prime is 872708141471. The reversal of 872708141447 is 744141807278.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872708141447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872708141477) 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, 1655513 + ... + 2118050.

It is an arithmetic number, because the mean of its divisors is an integer number (218178036570).

Almost surely, 2^872708141447 is an apocalyptic number.

872708141447 is a deficient number, since it is larger than the sum of its proper divisors (4004833).

872708141447 is a wasteful number, since it uses less digits than its factorization.

872708141447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004832.

The product of its (nonzero) digits is 2809856, while the sum is 53.

The spelling of 872708141447 in words is "eight hundred seventy-two billion, seven hundred eight million, one hundred forty-one thousand, four hundred forty-seven".