26179552079 has 4 divisors (see below), whose sum is σ = 26379396120. Its totient is φ = 25979708040.

The previous prime is 26179552001. The next prime is 26179552121. The reversal of 26179552079 is 97025597162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26179552079 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 26179552079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26179552379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99921824 + ... + 99922085.

It is an arithmetic number, because the mean of its divisors is an integer number (6594849030).

Almost surely, 2^26179552079 is an apocalyptic number.

26179552079 is a deficient number, since it is larger than the sum of its proper divisors (199844041).

26179552079 is a wasteful number, since it uses less digits than its factorization.

26179552079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199844040.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 26179552079 in words is "twenty-six billion, one hundred seventy-nine million, five hundred fifty-two thousand, seventy-nine".