871247070 has 32 divisors (see below), whose sum is σ = 2323326240. Its totient is φ = 232332480.

The previous prime is 871247057. The next prime is 871247129. The reversal of 871247070 is 70742178.

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

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 15 ways as a sum of consecutive naturals, for example, 1613151 + ... + 1613690.

It is an arithmetic number, because the mean of its divisors is an integer number (72603945).

Almost surely, 2^871247070 is an apocalyptic number.

871247070 is an abundant number, since it is smaller than the sum of its proper divisors (1452079170).

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

871247070 is a wasteful number, since it uses less digits than its factorization.

871247070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226857 (or 3226851 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 871247070 is about 29516.8946537403. The cubic root of 871247070 is about 955.0961846783.

The spelling of 871247070 in words is "eight hundred seventy-one million, two hundred forty-seven thousand, seventy".