8436116871 has 80 divisors (see below), whose sum is σ = 15550920000. Its totient is φ = 4438167552.

The previous prime is 8436116863. The next prime is 8436116879. The reversal of 8436116871 is 1786116348.

It is an interprime number because it is at equal distance from previous prime (8436116863) and next prime (8436116879).

It is not a de Polignac number, because 8436116871 - 2³ = 8436116863 is a prime.

It is a super-2 number, since 2×8436116871² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8436116879) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3308305 + ... + 3310853.

It is an arithmetic number, because the mean of its divisors is an integer number (194386500).

Almost surely, 2^8436116871 is an apocalyptic number.

8436116871 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8436116871 is a deficient number, since it is larger than the sum of its proper divisors (7114803129).

8436116871 is a wasteful number, since it uses less digits than its factorization.

8436116871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3021 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 8436116871 is about 91848.3362451384. The cubic root of 8436116871 is about 2035.7019651902.

The spelling of 8436116871 in words is "eight billion, four hundred thirty-six million, one hundred sixteen thousand, eight hundred seventy-one".