79245912039 has 12 divisors (see below), whose sum is σ = 122912027064. Its totient is φ = 45283378224.

The previous prime is 79245912037. The next prime is 79245912077. The reversal of 79245912039 is 93021954297.

It is not a de Polignac number, because 79245912039 - 2¹ = 79245912037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79245911982 and 79245912000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79245912037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269543772 + ... + 269544065.

It is an arithmetic number, because the mean of its divisors is an integer number (10242668922).

Almost surely, 2^79245912039 is an apocalyptic number.

79245912039 is a deficient number, since it is larger than the sum of its proper divisors (43666115025).

79245912039 is a wasteful number, since it uses less digits than its factorization.

79245912039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539087854 (or 539087847 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 79245912039 in words is "seventy-nine billion, two hundred forty-five million, nine hundred twelve thousand, thirty-nine".