871782942 has 8 divisors (see below), whose sum is σ = 1743565896. Its totient is φ = 290594312.

The previous prime is 871782913. The next prime is 871782973. The reversal of 871782942 is 249287178.

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

871782942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 871782891 and 871782900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72648573 + ... + 72648584.

It is an arithmetic number, because the mean of its divisors is an integer number (217945737).

Almost surely, 2^871782942 is an apocalyptic number.

871782942 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.

871782942 is a wasteful number, since it uses less digits than its factorization.

871782942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145297162.

The product of its digits is 451584, while the sum is 48.

The square root of 871782942 is about 29525.9706360350. The cubic root of 871782942 is about 955.2919593804.

The spelling of 871782942 in words is "eight hundred seventy-one million, seven hundred eighty-two thousand, nine hundred forty-two".