871086402303623 has 24 divisors (see below), whose sum is σ = 988368800348160. Its totient is φ = 766345959680400.

The previous prime is 871086402303583. The next prime is 871086402303631. The reversal of 871086402303623 is 326303204680178.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-871086402303623 is a prime.

It is a super-2 number, since 2×871086402303623² (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 (871086402303653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548800286 + ... + 550385252.

It is an arithmetic number, because the mean of its divisors is an integer number (41182033347840).

Almost surely, 2^{871086402303623} is an apocalyptic number.

871086402303623 is a deficient number, since it is larger than the sum of its proper divisors (117282398044537).

871086402303623 is a wasteful number, since it uses less digits than its factorization.

871086402303623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731539 (or 1731528 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 871086402303623 in words is "eight hundred seventy-one trillion, eighty-six billion, four hundred two million, three hundred three thousand, six hundred twenty-three".