8978210345 has 12 divisors (see below), whose sum is σ = 11666361996. Its totient is φ = 6630062400.

The previous prime is 8978210317. The next prime is 8978210377. The reversal of 8978210345 is 5430128798.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1789205401 + 7189004944 = 42299^2 + 84788^2 .

It is not a de Polignac number, because 8978210345 - 2¹⁸ = 8977948201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8978210345.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5311706 + ... + 5313395.

It is an arithmetic number, because the mean of its divisors is an integer number (972196833).

Almost surely, 2^8978210345 is an apocalyptic number.

It is an amenable number.

8978210345 is a deficient number, since it is larger than the sum of its proper divisors (2688151651).

8978210345 is a wasteful number, since it uses less digits than its factorization.

8978210345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625132 (or 10625119 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 8978210345 is about 94753.4186454505. The cubic root of 8978210345 is about 2078.4037883863.

The spelling of 8978210345 in words is "eight billion, nine hundred seventy-eight million, two hundred ten thousand, three hundred forty-five".