79243827225 has 24 divisors (see below), whose sum is σ = 131062325760. Its totient is φ = 42248579520.

The previous prime is 79243827199. The next prime is 79243827227. The reversal of 79243827225 is 52272834297.

It is not a de Polignac number, because 79243827225 - 2³⁶ = 10524350489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79243827227) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 32427 + ... + 399423.

It is an arithmetic number, because the mean of its divisors is an integer number (5460930240).

Almost surely, 2^79243827225 is an apocalyptic number.

79243827225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79243827225 is a deficient number, since it is larger than the sum of its proper divisors (51818498535).

79243827225 is a wasteful number, since it uses less digits than its factorization.

79243827225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369889 (or 369884 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 79243827225 in words is "seventy-nine billion, two hundred forty-three million, eight hundred twenty-seven thousand, two hundred twenty-five".