871208415 has 48 divisors (see below), whose sum is σ = 1882722816. Its totient is φ = 362059200.

The previous prime is 871208413. The next prime is 871208419. The reversal of 871208415 is 514802178.

It is not a de Polignac number, because 871208415 - 2¹ = 871208413 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 871208415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871208413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122251 + ... + 129180.

It is an arithmetic number, because the mean of its divisors is an integer number (39223392).

Almost surely, 2^871208415 is an apocalyptic number.

871208415 is an abundant number, since it is smaller than the sum of its proper divisors (1011514401).

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

871208415 is a wasteful number, since it uses less digits than its factorization.

871208415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251460 (or 251457 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 871208415 is about 29516.2398519866. The cubic root of 871208415 is about 955.0820594126.

The spelling of 871208415 in words is "eight hundred seventy-one million, two hundred eight thousand, four hundred fifteen".