798727898 has 8 divisors (see below), whose sum is σ = 1268567892. Its totient is φ = 375871936.

The previous prime is 798727859. The next prime is 798727901. The reversal of 798727898 is 898727897.

It can be written as a sum of positive squares in 2 ways, for example, as 600397009 + 198330889 = 24503^2 + 14083^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11745965 + ... + 11746032.

Almost surely, 2^798727898 is an apocalyptic number.

798727898 is a deficient number, since it is larger than the sum of its proper divisors (469839994).

798727898 is a wasteful number, since it uses less digits than its factorization.

798727898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23492016.

The product of its digits is 28449792, while the sum is 65.

The square root of 798727898 is about 28261.7745019664. The cubic root of 798727898 is about 927.8254578158.

Subtracting 798727898 from its reverse (898727897), we obtain a palindrome (99999999).

The spelling of 798727898 in words is "seven hundred ninety-eight million, seven hundred twenty-seven thousand, eight hundred ninety-eight".