798325985 has 4 divisors (see below), whose sum is σ = 957991188. Its totient is φ = 638660784.

The previous prime is 798325961. The next prime is 798325987. The reversal of 798325985 is 589523897.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484044001 + 314281984 = 22001^2 + 17728^2 .

It is a cyclic number.

It is not a de Polignac number, because 798325985 - 2²⁰ = 797277409 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 798325985.

It is not an unprimeable number, because it can be changed into a prime (798325987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79832594 + ... + 79832603.

It is an arithmetic number, because the mean of its divisors is an integer number (239497797).

Almost surely, 2^798325985 is an apocalyptic number.

It is an amenable number.

798325985 is a deficient number, since it is larger than the sum of its proper divisors (159665203).

798325985 is a wasteful number, since it uses less digits than its factorization.

798325985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159665202.

The product of its digits is 5443200, while the sum is 56.

The square root of 798325985 is about 28254.6630664745. The cubic root of 798325985 is about 927.6698071120.

The spelling of 798325985 in words is "seven hundred ninety-eight million, three hundred twenty-five thousand, nine hundred eighty-five".