871028587 has 8 divisors (see below), whose sum is σ = 1023306480. Its totient is φ = 730932960.

The previous prime is 871028579. The next prime is 871028591. The reversal of 871028587 is 785820178.

It is a happy number.

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 871028587 - 2³ = 871028579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871028527) 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, 3045412 + ... + 3045697.

It is an arithmetic number, because the mean of its divisors is an integer number (127913310).

Almost surely, 2^871028587 is an apocalyptic number.

871028587 is a deficient number, since it is larger than the sum of its proper divisors (152277893).

871028587 is a wasteful number, since it uses less digits than its factorization.

871028587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091133.

The product of its (nonzero) digits is 250880, while the sum is 46.

The square root of 871028587 is about 29513.1934395450. The cubic root of 871028587 is about 955.0163413777.

The spelling of 871028587 in words is "eight hundred seventy-one million, twenty-eight thousand, five hundred eighty-seven".