871372491305 has 8 divisors (see below), whose sum is σ = 1054900503432. Its totient is φ = 690928983808.

The previous prime is 871372491259. The next prime is 871372491329. The reversal of 871372491305 is 503194273178.

It can be written as a sum of positive squares in 4 ways, for example, as 80790103696 + 790582387609 = 284236^2 + 889147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 871372491305 - 2¹⁶ = 871372425769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771125534 + ... + 771126663.

It is an arithmetic number, because the mean of its divisors is an integer number (131862562929).

Almost surely, 2^871372491305 is an apocalyptic number.

It is an amenable number.

871372491305 is a deficient number, since it is larger than the sum of its proper divisors (183528012127).

871372491305 is a wasteful number, since it uses less digits than its factorization.

871372491305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542252315.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 871372491305 in words is "eight hundred seventy-one billion, three hundred seventy-two million, four hundred ninety-one thousand, three hundred five".