870961871 has 8 divisors (see below), whose sum is σ = 938746704. Its totient is φ = 803289600.

The previous prime is 870961849. The next prime is 870961873. The reversal of 870961871 is 178169078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870961871 - 2²² = 866767567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870961873) by changing a digit.

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, 11705 + ... + 43346.

It is an arithmetic number, because the mean of its divisors is an integer number (117343338).

Almost surely, 2^870961871 is an apocalyptic number.

870961871 is a deficient number, since it is larger than the sum of its proper divisors (67784833).

870961871 is a wasteful number, since it uses less digits than its factorization.

870961871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56281.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 870961871 is about 29512.0631437384. The cubic root of 870961871 is about 954.9919577551.

The spelling of 870961871 in words is "eight hundred seventy million, nine hundred sixty-one thousand, eight hundred seventy-one".