674228077807189 has 8 divisors (see below), whose sum is σ = 674253466644440. Its totient is φ = 674202689554176.

The previous prime is 674228077807181. The next prime is 674228077807253. The reversal of 674228077807189 is 981708770822476.

674228077807189 = T₁ + T₂ + ... + T₁₅₉₃₃₇.

674228077807189 is a nontrivial binomial coefficient, being equal to C(159339, 3).

It can be written as a sum of positive squares in 4 ways, for example, as 167196666507025 + 507031411300164 = 12930455^2 + 22517358^2 .

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

It is a 5-Lehmer number, since φ(674228077807189) divides (674228077807189-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 674228077807189 - 2³ = 674228077807181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674228077807181) by changing a digit.

It is the 159337-th tetrahedral number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231379929 + ... + 4231539265.

It is an arithmetic number, because the mean of its divisors is an integer number (84281683330555).

It is a Poulet number, since it divides 2^{674228077807188}-1.

Almost surely, 2^{674228077807189} is an apocalyptic number.

It is an amenable number.

674228077807189 is a deficient number, since it is larger than the sum of its proper divisors (25388837251).

674228077807189 is a wasteful number, since it uses less digits than its factorization.

674228077807189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292119.

The product of its (nonzero) digits is 1062125568, while the sum is 76.

The spelling of 674228077807189 in words is "six hundred seventy-four trillion, two hundred twenty-eight billion, seventy-seven million, eight hundred seven thousand, one hundred eighty-nine".