871602012 has 24 divisors (see below), whose sum is σ = 2259709200. Its totient is φ = 290533968.

The previous prime is 871602001. The next prime is 871602031. The reversal of 871602012 is 210206178.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035087 + ... + 4035302.

It is an arithmetic number, because the mean of its divisors is an integer number (94154550).

Almost surely, 2^871602012 is an apocalyptic number.

It is an amenable number.

871602012 is an abundant number, since it is smaller than the sum of its proper divisors (1388107188).

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

871602012 is a wasteful number, since it uses less digits than its factorization.

871602012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070402 (or 8070394 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 871602012 is about 29522.9065642257. The cubic root of 871602012 is about 955.2258676488.

The spelling of 871602012 in words is "eight hundred seventy-one million, six hundred two thousand, twelve".