871374208552572 has 24 divisors (see below), whose sum is σ = 2082796888736592. Its totient is φ = 283373726358400.

The previous prime is 871374208552567. The next prime is 871374208552609. The reversal of 871374208552572 is 275255802473178.

It is a super-2 number, since 2×871374208552572² (a number of 31 digits) contains 22 as substring.

It is a congruent 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, 885542894379 + ... + 885542895362.

It is an arithmetic number, because the mean of its divisors is an integer number (86783203697358).

Almost surely, 2^{871374208552572} is an apocalyptic number.

871374208552572 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

871374208552572 is an abundant number, since it is smaller than the sum of its proper divisors (1211422680184020).

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

871374208552572 is a wasteful number, since it uses less digits than its factorization.

871374208552572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771085789789 (or 1771085789787 counting only the distinct ones).

The product of its (nonzero) digits is 263424000, while the sum is 66.

The spelling of 871374208552572 in words is "eight hundred seventy-one trillion, three hundred seventy-four billion, two hundred eight million, five hundred fifty-two thousand, five hundred seventy-two".