79709598426 has 16 divisors (see below), whose sum is σ = 160909097184. Its totient is φ = 26321549424.

The previous prime is 79709598407. The next prime is 79709598443. The reversal of 79709598426 is 62489590797.

It is a super-3 number, since 3×79709598426³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62078485 + ... + 62079768.

It is an arithmetic number, because the mean of its divisors is an integer number (10056818574).

Almost surely, 2^79709598426 is an apocalyptic number.

79709598426 is an abundant number, since it is smaller than the sum of its proper divisors (81199498758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79709598426 is a wasteful number, since it uses less digits than its factorization.

79709598426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124158365.

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 79709598426 in words is "seventy-nine billion, seven hundred nine million, five hundred ninety-eight thousand, four hundred twenty-six".