871930081 has 8 divisors (see below), whose sum is σ = 951631200. Its totient is φ = 792301440.

The previous prime is 871930039. The next prime is 871930117. The reversal of 871930081 is 180039178.

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 871930081 - 2⁷ = 871929953 is a prime.

It is a super-2 number, since 2×871930081² = 1520524132305333122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 871930081.

It is not an unprimeable number, because it can be changed into a prime (871930681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8785 + ... + 42673.

It is an arithmetic number, because the mean of its divisors is an integer number (118953900).

Almost surely, 2^871930081 is an apocalyptic number.

It is an amenable number.

871930081 is a deficient number, since it is larger than the sum of its proper divisors (79701119).

871930081 is a wasteful number, since it uses less digits than its factorization.

871930081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36239.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 871930081 is about 29528.4622186798. The cubic root of 871930081 is about 955.3457008909.

The spelling of 871930081 in words is "eight hundred seventy-one million, nine hundred thirty thousand, eighty-one".