871986014 has 8 divisors (see below), whose sum is σ = 1320203448. Its totient is φ = 431918200.

The previous prime is 871986013. The next prime is 871986023. The reversal of 871986014 is 410689178.

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

It is a super-2 number, since 2×871986014² = 1520719217223216392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871986013) 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, 2037137 + ... + 2037564.

It is an arithmetic number, because the mean of its divisors is an integer number (165025431).

Almost surely, 2^871986014 is an apocalyptic number.

871986014 is a deficient number, since it is larger than the sum of its proper divisors (448217434).

871986014 is a wasteful number, since it uses less digits than its factorization.

871986014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074810.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 871986014 is about 29529.4093066556. The cubic root of 871986014 is about 955.3661284495.

The spelling of 871986014 in words is "eight hundred seventy-one million, nine hundred eighty-six thousand, fourteen".