79425907847 has 8 divisors (see below), whose sum is σ = 93311556240. Its totient is φ = 66651111360.

The previous prime is 79425907831. The next prime is 79425907853. The reversal of 79425907847 is 74870952497.

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

It is a cyclic number.

It is not a de Polignac number, because 79425907847 - 2⁴ = 79425907831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79425907847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79425907817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277712822 + ... + 277713107.

It is an arithmetic number, because the mean of its divisors is an integer number (11663944530).

Almost surely, 2^79425907847 is an apocalyptic number.

79425907847 is a deficient number, since it is larger than the sum of its proper divisors (13885648393).

79425907847 is a wasteful number, since it uses less digits than its factorization.

79425907847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555425953.

The product of its (nonzero) digits is 35562240, while the sum is 62.

The spelling of 79425907847 in words is "seventy-nine billion, four hundred twenty-five million, nine hundred seven thousand, eight hundred forty-seven".