871057281801424 has 20 divisors (see below), whose sum is σ = 1687776510277540. Its totient is φ = 435502053342720.

The previous prime is 871057281801361. The next prime is 871057281801433. The reversal of 871057281801424 is 424108182750178.

It can be written as a sum of positive squares in 2 ways, for example, as 169534253563024 + 701523028238400 = 13020532^2 + 26486280^2 .

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, 1661452089 + ... + 1661976280.

It is an arithmetic number, because the mean of its divisors is an integer number (84388825513877).

Almost surely, 2^{871057281801424} is an apocalyptic number.

It is an amenable number.

871057281801424 is a deficient number, since it is larger than the sum of its proper divisors (816719228476116).

871057281801424 is a wasteful number, since it uses less digits than its factorization.

871057281801424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323444758 (or 3323444752 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 58.

The spelling of 871057281801424 in words is "eight hundred seventy-one trillion, fifty-seven billion, two hundred eighty-one million, eight hundred one thousand, four hundred twenty-four".