8728450345 has 8 divisors (see below), whose sum is σ = 10474978176. Its totient is φ = 6982201776.

The previous prime is 8728450319. The next prime is 8728450351. The reversal of 8728450345 is 5430548278.

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 8728450345 - 2⁷ = 8728450217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8728450295 and 8728450304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6544 + ... + 132286.

It is an arithmetic number, because the mean of its divisors is an integer number (1309372272).

Almost surely, 2^8728450345 is an apocalyptic number.

It is an amenable number.

8728450345 is a deficient number, since it is larger than the sum of its proper divisors (1746527831).

8728450345 is a wasteful number, since it uses less digits than its factorization.

8728450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139631.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The square root of 8728450345 is about 93426.1759091102. The cubic root of 8728450345 is about 2058.9495968420.

The spelling of 8728450345 in words is "eight billion, seven hundred twenty-eight million, four hundred fifty thousand, three hundred forty-five".