8480345645 has 8 divisors (see below), whose sum is σ = 10176923160. Its totient is φ = 6783937600.

The previous prime is 8480345623. The next prime is 8480345651. The reversal of 8480345645 is 5465430848.

It can be written as a sum of positive squares in 4 ways, for example, as 3287990281 + 5192355364 = 57341^2 + 72058^2 .

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

It is not a de Polignac number, because 8480345645 - 2⁶ = 8480345581 is a prime.

It is a super-3 number, since 3×8480345645³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8480345645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135995 + ... + 188295.

It is an arithmetic number, because the mean of its divisors is an integer number (1272115395).

Almost surely, 2^8480345645 is an apocalyptic number.

It is an amenable number.

8480345645 is a deficient number, since it is larger than the sum of its proper divisors (1696577515).

8480345645 is a wasteful number, since it uses less digits than its factorization.

8480345645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84735.

The product of its (nonzero) digits is 1843200, while the sum is 47.

The square root of 8480345645 is about 92088.7921790703. The cubic root of 8480345645 is about 2039.2533507631.

The spelling of 8480345645 in words is "eight billion, four hundred eighty million, three hundred forty-five thousand, six hundred forty-five".