798019965 has 32 divisors (see below), whose sum is σ = 1426176000. Its totient is φ = 423368640.

The previous prime is 798019961. The next prime is 798019979. The reversal of 798019965 is 569910897.

It is not a de Polignac number, because 798019965 - 2² = 798019961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798019961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10311 + ... + 41259.

It is an arithmetic number, because the mean of its divisors is an integer number (44568000).

Almost surely, 2^798019965 is an apocalyptic number.

It is an amenable number.

798019965 is a deficient number, since it is larger than the sum of its proper divisors (628156035).

798019965 is a wasteful number, since it uses less digits than its factorization.

798019965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31154 (or 31148 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 798019965 is about 28249.2471581102. The cubic root of 798019965 is about 927.5512582982.

The spelling of 798019965 in words is "seven hundred ninety-eight million, nineteen thousand, nine hundred sixty-five".