871608312 has 48 divisors (see below), whose sum is σ = 2370448080. Its totient is φ = 289324800.

The previous prime is 871608271. The next prime is 871608313. The reversal of 871608312 is 213806178.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871608313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7764 + ... + 42467.

It is an arithmetic number, because the mean of its divisors is an integer number (49384335).

Almost surely, 2^871608312 is an apocalyptic number.

It is an amenable number.

871608312 is an abundant number, since it is smaller than the sum of its proper divisors (1498839768).

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

871608312 is a wasteful number, since it uses less digits than its factorization.

871608312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50484 (or 50477 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 871608312 is about 29523.0132608445. The cubic root of 871608312 is about 955.2281691229.

The spelling of 871608312 in words is "eight hundred seventy-one million, six hundred eight thousand, three hundred twelve".