871426634847 has 8 divisors (see below), whose sum is σ = 1190241257520. Its totient is φ = 566781551040.

The previous prime is 871426634831. The next prime is 871426634891. The reversal of 871426634847 is 748436624178.

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

It is not a de Polignac number, because 871426634847 - 2⁴ = 871426634831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871426634347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3542384572 + ... + 3542384817.

It is an arithmetic number, because the mean of its divisors is an integer number (148780157190).

Almost surely, 2^871426634847 is an apocalyptic number.

871426634847 is a deficient number, since it is larger than the sum of its proper divisors (318814622673).

871426634847 is a wasteful number, since it uses less digits than its factorization.

871426634847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084769433.

The product of its digits is 43352064, while the sum is 60.

The spelling of 871426634847 in words is "eight hundred seventy-one billion, four hundred twenty-six million, six hundred thirty-four thousand, eight hundred forty-seven".