871374180632046 has 128 divisors (see below), whose sum is σ = 2279732146298880. Its totient is φ = 215603788307328.

The previous prime is 871374180632041. The next prime is 871374180632069. The reversal of 871374180632046 is 640236081473178.

It is a super-2 number, since 2×871374180632046² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871374180632041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406678900 + ... + 408815943.

It is an arithmetic number, because the mean of its divisors is an integer number (17810407392960).

Almost surely, 2^{871374180632046} is an apocalyptic number.

871374180632046 is an abundant number, since it is smaller than the sum of its proper divisors (1408357965666834).

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

871374180632046 is a wasteful number, since it uses less digits than its factorization.

871374180632046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815494990.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 871374180632046 in words is "eight hundred seventy-one trillion, three hundred seventy-four billion, one hundred eighty million, six hundred thirty-two thousand, forty-six".