79704354225 has 48 divisors (see below), whose sum is σ = 139596065280. Its totient is φ = 39989376000.

The previous prime is 79704354221. The next prime is 79704354229. The reversal of 79704354225 is 52245340797.

It is an interprime number because it is at equal distance from previous prime (79704354221) and next prime (79704354229).

It is not a de Polignac number, because 79704354225 - 2² = 79704354221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79704354221) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2879200 + ... + 2906750.

It is an arithmetic number, because the mean of its divisors is an integer number (2908251360).

Almost surely, 2^79704354225 is an apocalyptic number.

79704354225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79704354225 is a deficient number, since it is larger than the sum of its proper divisors (59891711055).

79704354225 is a wasteful number, since it uses less digits than its factorization.

79704354225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29850 (or 29845 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 79704354225 in words is "seventy-nine billion, seven hundred four million, three hundred fifty-four thousand, two hundred twenty-five".