871345842076028 has 12 divisors (see below), whose sum is σ = 1663478425781592. Its totient is φ = 396066291852720.

The previous prime is 871345842076013. The next prime is 871345842076093. The reversal of 871345842076028 is 820670248543178.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9901657296275 + ... + 9901657296362.

It is an arithmetic number, because the mean of its divisors is an integer number (138623202148466).

Almost surely, 2^{871345842076028} is an apocalyptic number.

It is an amenable number.

871345842076028 is a deficient number, since it is larger than the sum of its proper divisors (792132583705564).

871345842076028 is a wasteful number, since it uses less digits than its factorization.

871345842076028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803314592652 (or 19803314592650 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 65.

The spelling of 871345842076028 in words is "eight hundred seventy-one trillion, three hundred forty-five billion, eight hundred forty-two million, seventy-six thousand, twenty-eight".