871923792 has 20 divisors (see below), whose sum is σ = 2252469920. Its totient is φ = 290641248.

The previous prime is 871923791. The next prime is 871923799. The reversal of 871923792 is 297329178.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 18165079 = 871923792 / (8 + 7 + 1 + 9 + 2 + 3 + 7 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871923791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082492 + ... + 9082587.

It is an arithmetic number, because the mean of its divisors is an integer number (112623496).

Almost surely, 2^871923792 is an apocalyptic number.

It is an amenable number.

871923792 is an abundant number, since it is smaller than the sum of its proper divisors (1380546128).

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

871923792 is a wasteful number, since it uses less digits than its factorization.

871923792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18165090 (or 18165084 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 871923792 is about 29528.3557280117. The cubic root of 871923792 is about 955.3434040005.

The spelling of 871923792 in words is "eight hundred seventy-one million, nine hundred twenty-three thousand, seven hundred ninety-two".