8674842901685 has 4 divisors (see below), whose sum is σ = 10409811482028. Its totient is φ = 6939874321344.

The previous prime is 8674842901661. The next prime is 8674842901727. The reversal of 8674842901685 is 5861092484768.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5882865913444 + 2791976988241 = 2425462^2 + 1670921^2 .

It is a cyclic number.

It is not a de Polignac number, because 8674842901685 - 2²⁶ = 8674775792821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867484290164 + ... + 867484290173.

It is an arithmetic number, because the mean of its divisors is an integer number (2602452870507).

Almost surely, 2^{8674842901685} is an apocalyptic number.

It is an amenable number.

8674842901685 is a deficient number, since it is larger than the sum of its proper divisors (1734968580343).

8674842901685 is a wasteful number, since it uses less digits than its factorization.

8674842901685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734968580342.

The product of its (nonzero) digits is 185794560, while the sum is 68.

The spelling of 8674842901685 in words is "eight trillion, six hundred seventy-four billion, eight hundred forty-two million, nine hundred one thousand, six hundred eighty-five".