871057541801340 has 72 divisors (see below), whose sum is σ = 2644132282410528. Its totient is φ = 232112832631680.

The previous prime is 871057541801303. The next prime is 871057541801387. The reversal of 871057541801340 is 43108145750178.

It is a happy number.

871057541801340 is a `hidden beast` number, since 8 + 7 + 1 + 0 + 5 + 7 + 541 + 80 + 13 + 4 + 0 = 666.

It is a super-2 number, since 2×871057541801340² (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 23 ways as a sum of consecutive naturals, for example, 1762028376 + ... + 1762522655.

It is an arithmetic number, because the mean of its divisors is an integer number (36724059477924).

Almost surely, 2^{871057541801340} is an apocalyptic number.

It is an amenable number.

871057541801340 is an abundant number, since it is smaller than the sum of its proper divisors (1773074740609188).

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

871057541801340 is a wasteful number, since it uses less digits than its factorization.

871057541801340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524552419 (or 3524552414 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 871057541801340 in words is "eight hundred seventy-one trillion, fifty-seven billion, five hundred forty-one million, eight hundred one thousand, three hundred forty".