798689798 has 8 divisors (see below), whose sum is σ = 1198597608. Its totient is φ = 399157264.

The previous prime is 798689791. The next prime is 798689803. The reversal of 798689798 is 897986897.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798689791) 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, 88436 + ... + 97047.

It is an arithmetic number, because the mean of its divisors is an integer number (149824701).

Almost surely, 2^798689798 is an apocalyptic number.

798689798 is a deficient number, since it is larger than the sum of its proper divisors (399907810).

798689798 is a wasteful number, since it uses less digits than its factorization.

798689798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187638.

The product of its digits is 109734912, while the sum is 71.

The square root of 798689798 is about 28261.1004385887. The cubic root of 798689798 is about 927.8107048934.

The spelling of 798689798 in words is "seven hundred ninety-eight million, six hundred eighty-nine thousand, seven hundred ninety-eight".