79709598445 has 16 divisors (see below), whose sum is σ = 100798515072. Its totient is φ = 60391249600.

The previous prime is 79709598443. The next prime is 79709598503. The reversal of 79709598445 is 54489590797.

It is a happy number.

It is not a de Polignac number, because 79709598445 - 2¹ = 79709598443 is a prime.

It is a super-3 number, since 3×79709598445³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79709598443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3419707 + ... + 3442936.

It is an arithmetic number, because the mean of its divisors is an integer number (6299907192).

Almost surely, 2^79709598445 is an apocalyptic number.

It is an amenable number.

79709598445 is a deficient number, since it is larger than the sum of its proper divisors (21088916627).

79709598445 is a wasteful number, since it uses less digits than its factorization.

79709598445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862772.

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 79709598445 in words is "seventy-nine billion, seven hundred nine million, five hundred ninety-eight thousand, four hundred forty-five".