871220470 has 16 divisors (see below), whose sum is σ = 1572154128. Its totient is φ = 347608800.

The previous prime is 871220431. The next prime is 871220503. The reversal of 871220470 is 74022178.

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, 105756 + ... + 113695.

It is an arithmetic number, because the mean of its divisors is an integer number (98259633).

Almost surely, 2^871220470 is an apocalyptic number.

871220470 is a deficient number, since it is larger than the sum of its proper divisors (700933658).

871220470 is a wasteful number, since it uses less digits than its factorization.

871220470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219855.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 871220470 is about 29516.4440608960. Note that the first 3 decimals coincide. The cubic root of 871220470 is about 955.0864645817.

The spelling of 871220470 in words is "eight hundred seventy-one million, two hundred twenty thousand, four hundred seventy".