871086400235267 has 4 divisors (see below), whose sum is σ = 871939570070016. Its totient is φ = 870233230400520.

The previous prime is 871086400235231. The next prime is 871086400235273. The reversal of 871086400235267 is 762532004680178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 871086400235267 - 2¹⁸ = 871086399973123 is a prime.

It is a super-2 number, since 2×871086400235267² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871086400237267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426584915843 + ... + 426584917884.

It is an arithmetic number, because the mean of its divisors is an integer number (217984892517504).

Almost surely, 2^{871086400235267} is an apocalyptic number.

871086400235267 is a deficient number, since it is larger than the sum of its proper divisors (853169834749).

871086400235267 is a wasteful number, since it uses less digits than its factorization.

871086400235267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853169834748.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 871086400235267 in words is "eight hundred seventy-one trillion, eighty-six billion, four hundred million, two hundred thirty-five thousand, two hundred sixty-seven".