79898325096894 has 32 divisors (see below), whose sum is σ = 160964081680896. Its totient is φ = 26438205612480.

The previous prime is 79898325096851. The next prime is 79898325096911. The reversal of 79898325096894 is 49869052389897.

It is a happy number.

It is a super-2 number, since 2×79898325096894² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79898325096894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256100139 + ... + 256411929.

It is an arithmetic number, because the mean of its divisors is an integer number (5030127552528).

Almost surely, 2^{79898325096894} is an apocalyptic number.

79898325096894 is an abundant number, since it is smaller than the sum of its proper divisors (81065756584002).

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

79898325096894 is a wasteful number, since it uses less digits than its factorization.

79898325096894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623680.

The product of its (nonzero) digits is 16930529280, while the sum is 87.

The spelling of 79898325096894 in words is "seventy-nine trillion, eight hundred ninety-eight billion, three hundred twenty-five million, ninety-six thousand, eight hundred ninety-four".