79852025898 has 24 divisors (see below), whose sum is σ = 183189942468. Its totient is φ = 25051615872.

The previous prime is 79852025879. The next prime is 79852025941. The reversal of 79852025898 is 89852025897.

79852025898 is a `hidden beast` number, since 7 + 9 + 8 + 520 + 25 + 89 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 75351897009 + 4500128889 = 274503^2 + 67083^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 130476861 + ... + 130477472.

Almost surely, 2^79852025898 is an apocalyptic number.

79852025898 is an abundant number, since it is smaller than the sum of its proper divisors (103337916570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79852025898 is a wasteful number, since it uses less digits than its factorization.

79852025898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260954358 (or 260954355 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

Subtracting 79852025898 from its reverse (89852025897), we obtain a palindrome (9999999999).

The spelling of 79852025898 in words is "seventy-nine billion, eight hundred fifty-two million, twenty-five thousand, eight hundred ninety-eight".