9798859145 has 8 divisors (see below), whose sum is σ = 11774989440. Its totient is φ = 7828181680.

The previous prime is 9798859079. The next prime is 9798859319. The reversal of 9798859145 is 5419588979.

It is a happy number.

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

It is not a de Polignac number, because 9798859145 - 2¹⁴ = 9798842761 is a prime.

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, 1359251 + ... + 1366440.

It is an arithmetic number, because the mean of its divisors is an integer number (1471873680).

Almost surely, 2^9798859145 is an apocalyptic number.

It is an amenable number.

9798859145 is a deficient number, since it is larger than the sum of its proper divisors (1976130295).

9798859145 is a wasteful number, since it uses less digits than its factorization.

9798859145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726415.

The product of its digits is 32659200, while the sum is 65.

The square root of 9798859145 is about 98989.1870105013. The cubic root of 9798859145 is about 2139.8919170527.

The spelling of 9798859145 in words is "nine billion, seven hundred ninety-eight million, eight hundred fifty-nine thousand, one hundred forty-five".