79098209279 has 8 divisors (see below), whose sum is σ = 80596062720. Its totient is φ = 77600557216.

The previous prime is 79098209257. The next prime is 79098209303. The reversal of 79098209279 is 97290289097.

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 79098209279 - 2⁸ = 79098209023 is a prime.

It is a super-2 number, since 2×79098209279² (a number of 23 digits) contains 22 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 (79098206279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916802 + ... + 999360.

It is an arithmetic number, because the mean of its divisors is an integer number (10074507840).

Almost surely, 2^79098209279 is an apocalyptic number.

79098209279 is a deficient number, since it is larger than the sum of its proper divisors (1497853441).

79098209279 is a wasteful number, since it uses less digits than its factorization.

79098209279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100689.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The spelling of 79098209279 in words is "seventy-nine billion, ninety-eight million, two hundred nine thousand, two hundred seventy-nine".