871034420768028 has 96 divisors (see below), whose sum is σ = 2219867234500608. Its totient is φ = 263629904683200.

The previous prime is 871034420768027. The next prime is 871034420768101. The reversal of 871034420768028 is 820867024430178.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871034420768023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423116773 + ... + 425170403.

It is an arithmetic number, because the mean of its divisors is an integer number (23123617026048).

Almost surely, 2^{871034420768028} is an apocalyptic number.

It is an amenable number.

871034420768028 is an abundant number, since it is smaller than the sum of its proper divisors (1348832813732580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871034420768028 is a wasteful number, since it uses less digits than its factorization.

871034420768028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057543 (or 2057541 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 871034420768028 in words is "eight hundred seventy-one trillion, thirty-four billion, four hundred twenty million, seven hundred sixty-eight thousand, twenty-eight".