985170000671 has 4 divisors (see below), whose sum is σ = 1016949678144. Its totient is φ = 953390323200.

The previous prime is 985170000667. The next prime is 985170000679. The reversal of 985170000671 is 176000071589.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 985170000671 - 2² = 985170000667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985170000679) 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, 15889838690 + ... + 15889838751.

It is an arithmetic number, because the mean of its divisors is an integer number (254237419536).

Almost surely, 2^985170000671 is an apocalyptic number.

985170000671 is a deficient number, since it is larger than the sum of its proper divisors (31779677473).

985170000671 is a wasteful number, since it uses less digits than its factorization.

985170000671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31779677472.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 985170000671 in words is "nine hundred eighty-five billion, one hundred seventy million, six hundred seventy-one", and thus it is an aban number.