871948878 has 8 divisors (see below), whose sum is σ = 1743897768. Its totient is φ = 290649624.

The previous prime is 871948871. The next prime is 871948897. The reversal of 871948878 is 878849178.

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

871948878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871948871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72662401 + ... + 72662412.

It is an arithmetic number, because the mean of its divisors is an integer number (217987221).

Almost surely, 2^871948878 is an apocalyptic number.

871948878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

871948878 is a wasteful number, since it uses less digits than its factorization.

871948878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145324818.

The product of its digits is 7225344, while the sum is 60.

The square root of 871948878 is about 29528.7805030956. The cubic root of 871948878 is about 955.3525659307.

The spelling of 871948878 in words is "eight hundred seventy-one million, nine hundred forty-eight thousand, eight hundred seventy-eight".